The fact that memes can
sometimes
display very high fidelity, due to self-normalizing processes of this kind, is enough to answer some of the commonest objections that are raised to the meme/gene analogy.
Richard-Dawkins-God-Delusion
Nevertheless, he notes some similarities too:
One facet of the many faces of religion is intense love focused on one supernatural person, i. e. God, plus reverence for icons of that person. Human life is driven largely by our selfish genes and by the processes of reinforcement. Much positive reinforcement derives from religion: warm and comforting feelings of being loved and protected in a dangerous world, loss of fear of death, help from the hills in response to prayer in difficult times, etc. Likewise, romantic love for another real person (usually of the other sex) exhibits the same intense concentration on the other and related positive reinforcements. These feelings can be triggered by icons of the other, such as letters, photographs, and even, as in Victorian times, locks
* See my expose of the dangerous narcotic Gerin Oil: R. Dawkins, 'Gerin Oil', Free Inquiry 24: 1, 2003, 9-11.
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of hair. The state of being in love has many physiological
84 accompaniments, such as sighing like a furnace.
I made the comparison between falling in love and religion in 1993, when I noted that the symptoms of an individual infected by religion 'may be startlingly reminiscent of those more ordinarily associated with sexual love. This is an extremely potent force in the brain, and it is not surprising that some viruses have evolved to exploit it' ('viruses' here is a metaphor for religions: my article was called 'Viruses of the mind'). St Teresa of Avila's famously orgasmic vision is too notorious to need quoting again. More seriously, and on a less crudely sensual plane, the philosopher Anthony Kenny provides moving testimony to the pure delight that awaits those who manage to believe in the mystery of the transubstantiation. After describing his ordination as a Roman Catholic priest, empowered by laying on of hands to celebrate mass, he goes on that he vividly recalls
the exaltation of the first months during which I had the power to say Mass. Normally a slow and sluggish riser, I would leap early out of bed, fully awake and full of excite- ment at the thought of the momentous act I was privileged to perform . . .
It was touching the body of Christ, the closeness of the priest to Jesus, which most enthralled me. I would gaze on the Host after the words of consecration, soft-eyed like a lover looking into the eyes of his beloved . . . Those early days as a priest remain in my memory as days of ful- filment and tremulous happiness; something precious, and yet too fragile to last, like a romantic love-affair brought up short by the reality of an ill-assorted marriage.
The equivalent of the moth's light-compass reaction is the apparently irrational but useful habit of falling in love with one, and only one, member of the opposite sex. The misfiring by- product - equivalent to flying into the candle flame - is falling in love with Yahweh (or with the Virgin Mary, or with a wafer, or with Allah) and performing irrational acts motivated by such love.
The biologist Lewis Wolpert, in Six Impossible Things Before
THE ROOTS OF RELIGION 187
Breakfast, makes a suggestion that can be seen as a generalization of the idea of constructive irrationality. His point is that irrationally strong conviction is a guard against fickleness of mind: 'if beliefs that saved lives were not held strongly, it would have been dis- advantageous in early human evolution. It would be a severe disadvantage, for example, when hunting or making tools, to keep changing one's mind. ' The implication of Wolpert's argument is that, at least under some circumstances, it is better to persist in an irrational belief than to vacillate, even if new evidence or ratio- cination favours a change. It is easy to see the 'falling in love' argument as a special case, and it is correspondingly easy to see Wolpert's 'irrational persistence' as yet another useful psychological predisposition that could explain important aspects of irrational religious behaviour: yet another by-product.
In his book Social Evolution, Robert Trivers enlarged on his 1976 evolutionary theory of self-deception. Self-deception is
hiding the truth from the conscious mind the better to hide it from others. In our own species we recognize that shifty eyes, sweaty palms and croaky voices may indicate the stress that accompanies conscious knowledge of attempted deception. By becoming unconscious of its deception, the deceiver hides these signs from the observer. He or she can lie without the nervousness that accompanies deception.
The anthropologist Lionel Tiger says something similar in Optimism: The Biology of Hope. The connection to the sort of con- structive irrationality we have just been discussing is seen in Trivers's paragraph about 'perceptual defense':
There is a tendency for humans consciously to see what they wish to see. They literally have difficulty seeing things with negative connotations while seeing with increasing ease items that are positive. For example, words that evoke anxiety, either because of an individual's personal history or because of experimental manipulation, require greater illumination before first being perceived.
188 THE GOD DELUSION
The relevance of this to the wishful thinking of religion should need no spelling out.
The general theory of religion as an accidental by-product - a misfiring of something useful - is the one I wish to advocate. The details are various, complicated and disputable. For the sake of illustration, I shall continue to use my 'gullible child' theory as representative of 'by-product' theories in general. This theory - that the child brain is, for good reasons, vulnerable to infection by mental 'viruses' - will strike some readers as incomplete. Vulnerable the mind may be, but why should it be infected by this virus rather than that? Are some viruses especially proficient at infecting vulnerable minds? Why does 'infection' manifest itself as religion rather than as . . . well, what? Part of what I want to say is that it doesn't matter what particular style of nonsense infects the child brain. Once infected, the child will grow up and infect the next generation with the same nonsense, whatever it happens to be.
An anthropological survey such as Frazer's Golden Bough impresses us with the diversity of irrational human beliefs. Once entrenched in a culture they persist, evolve and diverge, in a manner reminiscent of biological evolution. Yet Frazer discerns certain general principles, for example 'homoeopathic magic', whereby spells and incantations borrow some symbolic aspect of the real- world object they are intended to influence. An instance with tragic consequences is the belief that powdered rhinoceros horn has aphrodisiac properties. Fatuous as it is, the legend stems from the horn's supposed resemblance to a virile penis. The fact that 'homoeopathic magic' is so widespread suggests that the nonsense that infects vulnerable brains is not entirely random, arbitrary nonsense.
It is tempting to pursue the biological analogy to the point of wondering whether something corresponding to natural selection is at work. Are some ideas more spreadable than others, because of
intrinsic appeal or merit, or compatibility with existing psycho- logical dispositions, and could this account for the nature and properties of actual religions as we see them, in something like the
way we use natural selection to account for living organisms? It is important to understand that 'merit' here means only ability to
THE ROOTS OF R E LIG10N 189
survive and spread. It doesn't mean deserving of a positive value judgement - something of which we might be humanly proud.
Even on an evolutionary model, there doesn't have to be any natural selection. Biologists acknowledge that a gene may spread through a population not because it is a good gene but simply because it is a lucky one. We call this genetic drift. How important it is vis-a-vis natural selection has been controversial. But it is now widely accepted in the form of the so-called neutral theory of molecular genetics. If a gene mutates to a different version of itself which has an identical effect, the difference is neutral, and selection cannot favour one or the other. Nevertheless, by what statisticians call sampling error over generations, the new mutant form can eventually replace the original form in the gene pool. This is a true evolutionary change at the molecular level (even if no change is observed in the world of whole organisms). It is a neutral evolutionary change that owes nothing to selective advantage.
The cultural equivalent of genetic drift is a persuasive option, one that we cannot neglect when thinking about the evolution of religion. Language evolves in a quasi-biological way and the direction its evolution takes looks undirected, pretty much like random drift. It is handed down by a cultural analogue of genetics, changing slowly over the centuries, until eventually various strands have diverged to the point of mutual unintelligibility. It is possible that some of the evolution of language is guided by a kind of natu- ral selection, but that argument doesn't seem very persuasive. I'll explain below that some such idea has been proposed for major trends in language, such as the Great Vowel Shift which took place in English from the fifteenth to the eighteenth century. But such a functional hypothesis is not necessary to explain most of what we observe. It seems probable that language normally evolves by the cultural equivalent of random genetic drift. In different parts of Europe, Latin drifted to become Spanish, Portuguese, Italian, French, Romansche and the various dialects of these languages. It is, to say the least, not obvious that these evolutionary shifts reflect local advantages or 'selection pressures'.
I surmise that religions, like languages, evolve with sufficient randomness, from beginnings that are sufficiently arbitrary, to generate the bewildering - and sometimes dangerous - richness of
190 T H E G O D D E L U S I O N
diversity that we observe. At the same time, it is possible that a form of natural selection, coupled with the fundamental uniformity of human psychology, sees to it that the diverse religions share significant features in common. Many religions, for example, teach the objectively implausible but subjectively appealing doctrine that our personalities survive our bodily death. The idea of immortality itself survives and spreads because it caters to wishful thinking. And wishful thinking counts, because human psychology has a near- universal tendency to let belief be coloured by desire ('Thy wish was father, Harry, to that thought', as Henry IV Part II said to his son*).
There seems to be no doubt that many of the attributes of religion are well fitted to helping the religion's own survival, and the survival of the attributes concerned, in the stew of human culture. The question now arises of whether the good fit is achieved by 'intelligent design' or by natural selection. The answer is prob- ably both. On the side of design, religious leaders are fully capable of verbalizing the tricks that aid the survival of religion. Martin Luther was well aware that reason was religion's arch-enemy, and he frequently warned of its dangers: 'Reason is the greatest enemy that faith has; it never comes to the aid of spiritual things, but more frequently than not struggles against the divine Word, treating with
85
contempt all that emanates from God. ' Again: 'Whoever wants to
be a Christian should tear the eyes out of his reason. ' And again: 'Reason should be destroyed in all Christians. ' Luther would have had no difficulty in intelligently designing unintelligent aspects of a religion to help it survive. But that doesn't necessarily mean that he, or anyone else, did design it. It could also have evolved by a (non- genetic) form of natural selection, with Luther not its designer but a shrewd observer of its efficacy.
Even though conventional Darwinian selection of genes might have favoured psychological predispositions that produce religion as a by-product, it is unlikely to have shaped the details. I have already hinted that, if we are going to apply some form of selection theory to those details, we should look not to genes but to their cultural equivalents. Are religions such stuff as memes are made on?
Not my joke: 1066 and All That.
T H E R O O T S O F R E L \ G I O N 191
TREAD SOFTLY, BECAUSE YOU TREAD ON MY MEMES
Truth, in matters of religion, is simply the opinion that has survived.
OSCAR WILDE
This chapter began with the observation that, because Darwinian natural selection abhors waste, any ubiquitous feature of a species - such as religion - must have conferred some advantage or it wouldn't have survived. But I hinted that the advantage doesn't have to redound to the survival or reproductive success of the individual. As we saw, advantage to the genes of the cold virus suf- ficiently explains the ubiquity of that miserable complaint among our species. * And it doesn't even have to be genes that benefit. Any replicator will do. Genes are only the most obvious examples of replicators. Other candidates are computer viruses, and memes - units of cultural inheritance and the topic of this section. If we are to understand memes, we have first to look a little more carefully at exactly how natural selection works.
In its most general form, natural selection must choose between alternative replicators. A replicator is a piece of coded information that makes exact copies of itself, along with occasional inexact copies or 'mutations'. The point about this is the Darwinian one. Those varieties of replicator that happen to be good at getting copied become more numerous at the expense of alternative replicators that are bad at getting copied. That, at its most rudi- mentary, is natural selection. The archetypal replicator is a gene, a stretch of DNA that is duplicated, nearly always with extreme accuracy, through an indefinite number of generations. The central question for meme theory is whether there are units of cultural imitation which behave as true replicators, like genes. I am not say- ing that memes necessarily are close analogues of genes, only that the more like genes they are, the better will meme theory work; and the purpose of this section is to ask whether meme theory might work for the special case of religion.
* Especially my nation, according to national stereotyping legend: 'Void I'anglais avec son sang froid habituel' (Here is the Englishman with his habitual bloody cold). This comes from Fractured French by F. S. Pearson, along with other gems such as 'coup de grace' (lawnmower).
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In the world of genes, the occasional flaws in replication (mutations) see to it that the gene pool contains alternative variants of any given gene - 'alleles' - which may therefore be seen as com- peting with each other. Competing for what? For the particular chromosomal slot or 'locus' that belongs to that set of alleles. And how do they compete? Not by direct molecule-to-molecule combat but by proxy. The proxies are their 'phenotypic traits' - things like leg length or fur colour: manifestations of genes fleshed out as anatomy, physiology, biochemistry or behaviour. A gene's fate is normally bound up with the bodies in which it successively sits. To the extent that it influences those bodies, it affects its own chances of surviving in the gene pool. As the generations go by, genes increase or decrease in frequency in the gene pool by virtue of their phenotypic proxies.
Might the same be true of memes? One respect in which they are not like genes is that there is nothing obviously corresponding to chromosomes or loci or alleles or sexual recombination. The meme pool is less structured and less organized than the gene pool. Nevertheless, it is not obviously silly to speak of a meme pool, in which particular memes might have a 'frequency' which can change as a consequence of competitive interactions with alternative memes.
Some people have objected to memetic explanations, on various grounds that usually stem from the fact that memes are not entirely like genes. The exact physical nature of a gene is now known (it is a sequence of DNA) whereas that of memes is not, and different memeticists confuse one another by switching from one physical medium to another. Do memes exist only in brains? Or is every paper copy and electronic copy of, say, a particular limerick also entitled to be called a meme? Then again, genes replicate with very high fidelity, whereas, if memes replicate at all, don't they do so with low accuracy?
These alleged problems of memes are exaggerated. The most important objection is the allegation that memes are copied with insufficiently high fidelity to function as Darwinian replicators. The suspicion is that if the 'mutation rate' in every generation is high, the meme will mutate itself out of existence before Darwinian selection can have an impact on its frequency in the meme pool. But
THE ROOTS OF RELIGION 193
the problem is illusory. Think of a master carpenter, or a prehistoric flint-knapper, demonstrating a particular skill to a young apprentice. If the apprentice faithfully reproduced every hand movement of the master, you would indeed expect to see the meme mutate out of all recognition in a few 'generations' of master/apprentice transmission. But of course the apprentice does not faithfully reproduce every hand movement. It would be ridicu- lous to do so. Instead, he notes the goal that the master is trying to achieve, and imitates that. Drive in the nail until the head is flush, using as many hammer blows as it takes, which may not be the same number as the master used. It is such rules that can pass unmutated down an indefinite number of imitation 'generations';
no matter that the details of their execution may vary from individual to individual, and from case to case. Stitches in knitting, knots in ropes or fishing nets, origami folding patterns, useful tricks in carpentry or pottery: all can be reduced to discrete elements that really do have the opportunity to pass down an indefinite number of imitation generations without alteration. The details may wander idiosyncratically, but the essence passes down unmutated, and that is all that is needed for the analogy of memes with genes to work.
In my foreword to Susan Blackmore's The Meme Machine I developed the example of an origami procedure for making a model Chinese junk. It is quite a complicated recipe, involving thirty-two folding (or similar) operations. The end result (the Chinese junk itself) is a pleasing object, as are at least three intermediate stages in the 'embryology', namely the 'catamaran', the 'box with two lids' and the 'picture frame'. The whole performance does indeed remind me of the foldings and invaginations that the membranes of an embryo undergo as it morphs itself from blastula to gastrula to neurula. I learned to make the Chinese junk as a boy from my father who, at about the same age, had acquired the skill at his boarding school. A craze for making Chinese junks, initiated by the school matron, had spread through the school in his time like a measles epidemic, then died away, also like a measles epidemic. Twenty-six years later, when that matron was long gone, I went to the same school. I reintroduced the craze and it again spread, like another measles epidemic, and then again died away. The fact that
194 T H E G O D D K I, U S 1 O N
such a teachable skill can spread like an epidemic tells us something important about the high fidelity of memetic transmission. We may be sure that the junks made by my father's generation of schoolboys in the 1920s were in no general respect different from those made by my generation in the 1950s.
We could investigate the phenomenon more systematically by the following experiment: a variant of the childhood game of Chinese Whispers (American children call it Telephone). Take two hundred people who have never made a Chinese junk before, and line them up in twenty teams of ten people each. Gather the heads of the twenty teams around a table and teach them, by demon- stration, how to make a Chinese junk. Now send each one off to find the second person in his own team, and teach that person alone, again by demonstration, to make a Chinese junk. Each second 'generation' person then teaches the third person in her own team, and so on until the tenth member of every team has been reached. Keep all the junks made along the way, and label them by their team and 'generation' number for subsequent inspection.
I haven't done the experiment yet (I'd like to), but I have a strong prediction of what the result will be. My prediction is that not all of the twenty teams will succeed in passing the skill intact down the line to their tenth members, but that a significant number of them will. In some of the teams there will be mistakes: perhaps a weak link in the chain will forget some vital step in the procedure, and everyone downstream of the mistake will then obviously fail. Perhaps team 4 gets as far as the 'catamaran' but falters thereafter. Perhaps the eighth member of team 13 produces a 'mutant' some- where between the 'box with two lids' and the 'picture frame' and the ninth and tenth members of his team then copy the mutated version.
Now, of those teams in which the skill is transferred successfully to the tenth generation, I make a further prediction. If you rank the junks in order of 'generation' you will not see a systematic deterioration of quality with generation number. If, on the other hand, you were to run an experiment identical in all respects except that the skill transferred was not origami but copying a drawing of a junk, there would definitely be a systematic deterioration in the accuracy with which the generation 1 pattern 'survived' to generation 10.
T H E R O O T S O F R E L I G I O N 195
In the drawing version of the experiment, all the generation 10 drawings would bear some slight resemblance to the generation 1 drawing. And within each team, the resemblance would more or less steadily deteriorate as you proceed down the generations. In the origami version of the experiment, by contrast, the mistakes would be all-or-none: they'd be 'digital' mutations. Either a team
would make no mistakes and the generation 10 junk would be no worse, and no better, on average than that produced by generation 5 or generation 1; or there would be a 'mutation' in some particular generation and all downstream efforts would be complete failures, often faithfully reproducing the mutation.
What is the crucial difference between the two skills? It is that the origami skill consists of a series of discrete actions, none of which is difficult to perform in itself. Mostly the operations are things like 'Fold both sides into the middle. ' A particular team member may execute the step ineptly, but it will be clear to the next team member down the line what he is trying to do. The origami steps are 'self-normalizing'. It is this that makes them 'digital'. It is like my master carpenter, whose intention to flatten the nail head in the wood is obvious to his apprentice, regardless of the details of the hammer blows. Either you get a given step of the origami recipe right or you don't. The drawing skill, by contrast, is an analogue skill. Everybody can have a go, but some people copy a drawing more accurately than others, and nobody copies it per- fectly. The accuracy of the copy depends, too, on the amount of time and care devoted to it, and these are continuously variable quantities. Some team members, moreover, will embellish and 'improve', rather than strictly copy, the preceding model.
Words - at least when they are understood - are self-normalizing in the same kind of way as origami operations. In the original game of Chinese Whispers (Telephone) the first child is told a story, or a sentence, and is asked to pass it on to the next child, and so on. If the sentence is less than about seven words, in the native language of all the children, there is a good chance that it will survive, un- mutated, down ten generations. If it is in an unknown foreign language, so that the children are forced to imitate phonetically rather than word by word, the message does not survive. The pattern of decay down the generations is then the same as for a drawing,
196 T H E G O D D E L U S 1 O N
and it will become garbled. When the message makes sense in the children's own language, and doesn't contain any unfamiliar words like 'phenotype' or 'allele', it survives. Instead of mimicking the sounds phonetically, each child recognizes each word as a member of a finite vocabulary and selects the same word, although very probably pronounced in a different accent, when passing it on to the next child. Written language is also self-normalizing because the squiggles on paper, no matter how much they may differ in detail, are all drawn from a finite alphabet of (say) twenty- six letters.
The fact that memes can sometimes display very high fidelity, due to self-normalizing processes of this kind, is enough to answer some of the commonest objections that are raised to the meme/gene analogy. In any case, the main purpose of meme theory, at this early stage of its development, is not to supply a comprehensive theory of culture, on a par with Watson-Crick genetics. My original purpose in advocating memes, indeed, was to counter the im- pression that the gene was the only Darwinian game in town - an impression that The Selfish Gene was otherwise at risk of convey- ing. Peter Richerson and Robert Boyd emphasize the point in the title of their valuable and thoughtful book Not by Genes Alone, although they give reasons for not adopting the word 'meme' itself, preferring 'cultural variants'. Stephen Shennan's Genes, Memes and Human History was partly inspired by an earlier excellent book by Boyd and Richerson, Culture and the Evolutionary Process. Other book-length treatments of memes include Robert Aunger's The Electric Meme, Kate Distin's The Selfish Meme, and Virus of the Mind: The New Science of the Meme by Richard Brodie.
But it is Susan Blackmore, in The Meme Machine, who has pushed memetic theory further than anyone. She repeatedly visual- izes a world full of brains (or other receptacles or conduits, such as computers or radio frequency bands) and memes jostling to occupy them. As with genes in a gene pool, the memes that prevail will be the ones that are good at getting themselves copied. This may be because they have direct appeal, as, presumably, the immortality meme has for some people. Or it may be because they flourish in the presence of other memes that have already become numerous in the meme pool. This gives rise to meme complexes or
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'memeplexes'. As usual with memes, we gain understanding by going back to the genetic origin of the analogy.
For didactic purposes, I treated genes as though they were isolated units, acting independently. But of course they are not in- dependent of one another, and this fact shows itself in two ways. First, genes are linearly strung along chromosomes, and so tend to travel through generations in the company of particular other genes that occupy neighbouring chromosomal loci. We doctors call that kind of linkage linkage, and I shall say no more about it because memes don't have chromosomes, alleles or sexual recombination. The other respect in which genes are not independent is very different from genetic linkage, and here there is a good memetic analogy. It concerns embryology which - the fact is often mis- understood - is completely distinct from genetics. Bodies are not jigsawed together as mosaics of phenotypic pieces, each one con- tributed by a different gene. There is no one-to-one mapping between genes and units of anatomy or behaviour. Genes 'collaborate' with hundreds of other genes in programming the developmental processes that culminate in a body, in the same kind of way as the words of a recipe collaborate in a cookery process that culminates in a dish. It is not the case that each word of the recipe corresponds to a different morsel of the dish.
Genes, then, co-operate in cartels to build bodies, and that is one of the important principles of embryology. It is tempting to say that natural selection favours cartels of genes in a kind of group selection between alternative cartels. That is confusion. What really happens is that the other genes of the gene pool constitute a major part of the environment in which each gene is selected versus its alleles. Because each is selected to be successful in the presence of the others - which are also being selected in a similar way - cartels of co-operating genes emerge. We have here something more like a free market than a planned economy. There is a butcher and a baker, but perhaps a gap in the market for a candlestick maker. The invisible hand of natural selection fills the gap. That is differ- ent from having a central planner who favours the troika of butcher + baker + candlestick maker. The idea of co-operating cartels assembled by the invisible hand will turn out to be central to our understanding of religious memes and how they work.
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Different kinds of gene cartel emerge in different gene pools. Carnivore gene pools have genes that program prey-detecting sense organs, prey-catching claws, carnassial teeth, meat-digesting enzymes and many other genes, all fine-tuned to co-operate with each other. At the same time, in herbivore gene pools, different sets of mutually compatible genes are favoured for their co-operation with each other. We are familiar with the idea that a gene is favoured for the compatibility of its phenotype with the external environment of the species: desert, woodland or whatever it is. The point I am now making is that it is also favoured for its compati- bility with the other genes of its particular gene pool. A carnivore gene would not survive in a herbivore gene pool, and vice versa. In the long gene's-eye-view, the gene pool of the species - the set of genes that are shuffled and reshuffled by sexual reproduction - con- stitutes the genetic environment in which each gene is selected for its capacity to co-operate. Although meme pools are less regimented and structured than gene pools, we can still speak of a meme pool as an important part of the 'environment' of each meme in the memeplex.
A memeplex is a set of memes which, while not necessarily being good survivors on their own, are good survivors in the presence of other members of the memeplex. In the previous section I doubted that the details of language evolution are favoured by any kind of natural selection. I guessed that language evolution is instead governed by random drift. It is just conceivable that certain vowels or consonants carry better than others through mountainous terrain, and therefore might become characteristic of, say Swiss, Tibetan and Andean dialects, while other sounds are suitable for whispering in dense forests and are therefore characteristic of Pygmy and Amazonian languages. But the one example I cited of language being naturally selected - the theory that the Great Vowel Shift might have a functional explanation - is not of this type. Rather, it has to do with memes fitting in with mutually compatible memeplexes. One vowel shifted first, for reasons unknown - per- haps fashionable imitation of an admired or powerful individual, as is alleged to be the origin of the Spanish lisp. Never mind how the Great Vowel Shift started: according to this theory, once the first vowel had changed, other vowels had to shift in its train, to reduce
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ambiguity, and so on in cascade. In this second stage of the process, memes were selected against the background of already existing meme pools, building up a new memeplex of mutually compatible memes.
We are finally equipped to turn to the memetic theory of religion. Some religious ideas, like some genes, might survive because of absolute merit. These memes would survive in any meme pool, regardless of the other memes that surround them. (I must repeat the vitally important point that 'merit' in this sense means only 'ability to survive in the pool'. It carries no value judgement apart from that. ) Some religious ideas survive because they are compatible with other memes that are already numerous in the meme pool - as part of a memeplex. The following is a partial list of religious memes that might plausibly have survival value in the meme pool, either because of absolute 'merit' or because of com- patibility with an existing memeplex:
? You will survive your own death.
? If you die a martyr, you will go to an especially wonderful part of paradise where you will enjoy seventy-two virgins (spare a thought for the unfortunate virgins).
? Heretics, blasphemers and apostates should be killed (or otherwise punished, for example by ostracism from their families).
? Belief in God is a supreme virtue. If you find your belief waver- ing, work hard at restoring it, and beg God to help your unbelief. (In my discussion of Pascal's Wager I mentioned the odd assumption that the one thing God really wants of us is belief. At the time I treated it as an oddity. Now we have an explanation for it. )
? Faith (belief without evidence) is a virtue. The more your beliefs defy the evidence, the more virtuous you are. Virtuoso believers who can manage to believe something really weird, unsupported and insupportable, in the teeth of evidence and reason, are especially highly rewarded.
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THE GOD DELUSION
?
?
?
Everybody, even those who do not hold religious beliefs, must respect them with a higher level of automatic and unquestioned respect than that accorded to other kinds of belief (we met this in Chapter 1).
There are some weird things (such as the Trinity, transubstanti- ation, incarnation) that we are not meant to understand. Don't even try to understand one of these, for the attempt might destroy it. Learn how to gain fulfilment in calling it a mystery.
Beautiful music, art and scriptures are themselves self- replicating tokens of religious ideas. *
Some of the above list probably have absolute survival value and would flourish in any memeplex. But, as with genes, some memes survive only against the right background of other memes, leading to the build-up of alternative memeplexes. Two different religions might be seen as two alternative memeplexes. Perhaps Islam is analogous to a carnivorous gene complex, Buddhism to a herbivorous one. The ideas of one religion are not 'better' than those of the other in any absolute sense, any more than carnivorous genes are 'better' than herbivorous ones. Religious memes of this kind don't necessarily have any absolute aptitude for survival; nevertheless, they are good in the sense that they flourish in the presence of other memes of their own religion, but not in the presence of memes of the other religion. On this model, Roman Catholicism and Islam, say, were not necessarily designed by individual people, but evolved separately as alternative collections of memes that flourish in the presence of other members of the same memeplex.
Organized religions are organized by people: by priests and bishops, rabbis, imams and ayatollahs. But, to reiterate the point I made with respect to Martin Luther, that doesn't mean they were conceived and designed by people. Even where religions have been
* Different schools and genres of art can be analysed as alternative memeplexes, as artists copy ideas and motifs from earlier artists, and new motifs survive only if they mesh with others. Indeed, the whole academic discipline of History of Art, with its sophisticated tracing of iconographies and symbolisms, could be seen as an elaborate study in memeplexity. Details will have been favoured or disfavoured by the presence of existing members of the meme pool, and these will often include religious memes.
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exploited and manipulated to the benefit of powerful individuals, the strong possibility remains that the detailed form of each religion has been largely shaped by unconscious evolution. Not by genetic natural selection, which is too slow to account for the rapid evolution and divergence of religions. The role of genetic natural selection in the story is to provide the brain, with its predilections and biases - the hardware platform and low-level system software which form the background to memetic selection. Given this back- ground, memetic natural selection of some kind seems to me to offer a plausible account of the detailed evolution of particular religions. In the early stages of a religion's evolution, before it becomes organized, simple memes survive by virtue of their universal appeal to human psychology. This is where the meme theory of religion and the psychological by-product theory of religion overlap. The later stages, where a religion becomes organized, elaborate and arbitrarily different from other religions,
are quite well handled by the theory of memeplexes - cartels of mutually compatible memes. This doesn't rule out the additional role of deliberate manipulation by priests and others. Religions probably are, at least in part, intelligently designed, as are schools and fashions in art.
One religion that was intelligently designed, almost in its entirety, is Scientology, but I suspect that it is exceptional. Another candidate for a purely designed religion is Mormonism. Joseph Smith, its enterprisingly mendacious inventor, went to the lengths of composing a complete new holy book, the Book of Mormon, inventing from scratch a whole new bogus American history, written in bogus seventeenth-century English. Mormonism, how- ever, has evolved since it was fabricated in the nineteenth century and has now become one of the respectable mainstream religions of America - indeed, it claims to be the fastest-growing one, and there is talk of fielding a presidential candidate.
Most religions evolve. Whatever theory of religious evolution we adopt, it has to be capable of explaining the astonishing speed with which the process of religious evolution, given the right conditions, can take off. A case study follows.
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CARGO CULTS
In The Life of Brian, one of the many things the Monty Python team got right was the extreme rapidity with which a new religious cult can get started. It can spring up almost overnight and then become incorporated into a culture, where it plays a disquietingly dominant role. The 'cargo cults' of Pacific Melanesia and New Guinea provide the most famous real life example. The entire his- tory of some of these cults, from initiation to expiry, is wrapped up within living memory. Unlike the cult of Jesus, the origins of which are not reliably attested, we can see the whole course of events laid out before our eyes (and even here, as we shall see, some details are now lost). It is fascinating to guess that the cult of Christianity almost certainly began in very much the same way, and spread initially at the same high speed.
My main authority for the cargo cults is David Attenborough's Quest in Paradise, which he very kindly presented to me. The pattern is the same for all of them, from the earliest cults in the nineteenth century to the more famous ones that grew up in the aftermath of the Second World War. It seems that in every case the islanders were bowled over by the wondrous possessions of the white immigrants to their islands, including administrators, soldiers and missionaries. They were perhaps the victims of (Arthur C. ) Clarke's Third Law, which I quoted in Chapter 2: 'Any sufficiently advanced technology is indistinguishable from magic'
The islanders noticed that the white people who enjoyed these wonders never made them themselves. When articles needed repair- ing they were sent away, and new ones kept arriving as 'cargo' in ships or, later, planes. No white man was ever seen to make or repair anything, nor indeed did they do anything that could be recognized as useful work of any kind (sitting behind a desk shuffling papers was obviously some kind of religious devotion). Evidently, then, the 'cargo' must be of supernatural origin. As if in corroboration of this, the white men did do certain things that could only have been ritual ceremonies:
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They build tall masts with wires attached to them; they sit listening to small boxes that glow with light and emit curious noises and strangled voices; they persuade the local people to dress up in identical clothes, and march them up and down - and it would hardly be possible to devise a more useless occupation than that. And then the native realizes that he has stumbled on the answer to the mystery. It is these incomprehensible actions that are the rituals employed by the white man to persuade the gods to send the cargo. If the native wants the cargo, then he too must do these things.
It is striking that similar cargo cults sprang up independently on islands that were widely separated both geographically and culturally. David Attenborough tells us that
Anthropologists have noted two separate outbreaks in New Caledonia, four in the Solomons, four in Fiji, seven in the New Hebrides, and over fifty in New Guinea, most of them being quite independent and unconnected with one another. The majority of these religions claim that one particular messiah will bring the cargo when the day of the apocalypse arrives.
The independent flowering of so many independent but similar cults suggests some unifying features of human psychology in general.
One famous cult on the island of Tanna in the New Hebrides (known as Vanuatu since 1980) is still extant. It is centred on a messianic figure called John Frum. References to John Frum in official government records go back only as far as 1940 but, even for so recent a myth, it is not known for certain whether he ever existed as a real man. One legend described him as a little man with a high-pitched voice and bleached hair, wearing a coat with shining buttons. He made strange prophecies, and he went out of his way to turn the people against the missionaries. Eventually he returned to the ancestors, after promising a triumphal second coming, bear- ing bountiful cargo. His apocalyptic vision included a 'great
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cataclysm; the mountains would fall flat and the valleys would be filled;* old people would regain their youth and sickness would vanish; the white people would be expelled from the island never to return; and cargo would arrive in great quantity so that everybody would have as much as he wanted'.
Most worryingly for the government, John Frum also prophesied that, on his second coming, he would bring a new coinage, stamped with the image of a coconut. The people must therefore get rid of all their money of the white man's currency. In 1941 this led to a wild spending spree; the people stopped working and the island's economy was seriously damaged. The colonial administrators arrested the ringleaders but nothing that they could do would kill the cult, and the mission churches and schools became deserted.
A little later, a new doctrine grew up that John Frum was King of America. Providentially, American troops arrived in the New Hebrides around this time and, wonder of wonders, they included black men who were not poor like the islanders but
as richly endowed with cargo as the white soldiers. Wild excitement overwhelmed Tanna. The day of the apocalypse was imminent. It seemed that everyone was preparing for the arrival of John Frum. One of the leaders said that John Frum would be coming from America by aeroplane and hundreds of men began to clear the bush in the centre of the island so that the plane might have an airstrip on which to land.
The airstrip had a bamboo control tower with 'air traffic controllers' wearing dummy headphones made of wood. There were dummy planes on the 'runway' to act as decoys, designed to lure down John Frum's plane.
In the 1950s, the young David Attenborough sailed to Tanna with a cameraman, Geoffrey Mulligan, to investigate the cult of John Frum. They found plenty of evidence of the religion and were eventually introduced to its high priest, a man called Nambas.
* Compare Isaiah 40: 4: 'Every valley shall be exalted, and every mountain and hill shall be made low. ' This similarity doesn't necessarily indicate any fundamen- tal feature of the human psyche, or Jungian 'collective unconscious'. These islands had long been infested with missionaries.
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Nambas referred to his messiah familiarly as John, and claimed to speak regularly to him, by 'radio'. This ('radio belong John') con- sisted of an old woman with an electric wire around her waist who would fall into a trance and talk gibberish, which Nambas inter- preted as the words of John Frum. Nambas claimed to have known in advance that Attenborough was coming to see him, because John Frum had told him on the 'radio'. Attenborough asked to see the 'radio' but was (understandably) refused. He changed the subject and asked whether Nambas had seen John Frum:
Nambas nodded vigorously. 'Me see him plenty time. ' 'What does he look like? '
Nambas jabbed his finger at me. "E look like you. 'E
got white face. 'E tall man. 'E live 'long South America. '
This detail contradicts the legend referred to above that John Frum was a short man. Such is the way with evolving legends.
It is believed that the day of John Frum's return will be 15 February, but the year is unknown. Every year on 15 February his followers assemble for a religious ceremony to welcome him. So far he has not returned, but they are not downhearted. David Attenborough said to one cult devotee, called Sam:
'But, Sam, it is nineteen years since John say that the cargo will come. He promise and he promise, but still the cargo does not come. Isn't nineteen years a long time to wait? '
Sam lifted his eyes from the ground and looked at me. 'If you can wait two thousand years for Jesus Christ to come an' 'e no come, then I can wait more than nineteen years for John. '
Robert Buckman's book Can We Be Good without God? quotes the same admirable retort by a John Frum disciple, this time to a Canadian journalist some forty years after David Attenborough's encounter.
The Queen and Prince Philip visited the area in 1974, and the Prince subsequently became deified in a rerun of a John-Frum-type cult (once again, note how rapidly the details in religious evolution
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can change). The Prince is a handsome man who would have cut an imposing figure in his white naval uniform and plumed helmet, and it is perhaps not surprising that he, rather than the Queen, was elevated in this way, quite apart from the fact that the culture of the islanders made it difficult for them to accept a female deity.
I don't want to make too much of the cargo cults of the South Pacific. But they do provide a fascinating contemporary model for the way religions spring up from almost nothing. In particular, they suggest four lessons about the origin of religions generally, and I'll set them out briefly here. First is the amazing speed with which a cult can spring up. Second is the speed with which the origination process covers its tracks. John Frum, if he existed at all, did so within living memory. Yet, even for so recent a possibility, it is not certain whether he lived at all. The third lesson springs from the independent emergence of similar cults on different islands. The systematic study of these similarities can tell us something about human psychology and its susceptibility to religion. Fourth, the cargo cults are similar, not just to each other but to older religions. Christianity and other ancient religions that have spread worldwide presumably began as local cults like that of John Frum. Indeed, scholars such as Geza Vermes, Professor of Jewish Studies at Oxford University, have suggested that Jesus was one of many such charismatic figures who emerged in Palestine around his time, sur- rounded by similar legends. Most of those cults died away. The one that survived, on this view, is the one that we encounter today. And, as the centuries go by, it has been honed by further evolution (memetic selection, if you like that way of putting it; not if you don't) into the sophisticated system - or rather diverging sets of descendant systems - that dominate large parts of the world today. The deaths of charismatic modern figures such as Haile Selassie, Elvis Presley and Princess Diana offer other opportunities to study the rapid rise of cults and their subsequent memetic evolution.
That is all I want to say about the roots of religion itself, apart from a brief reprise in Chapter 10 when I discuss the 'imaginary friend' phenomenon of childhood under the heading of the psycho- logical 'needs' that religion fulfils.
Morality is often thought to have its roots in religion, and in the next chapter I want to question this view. I shall argue that the
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origin of morality can itself be the subject of a Darwinian question. Just as we asked: What is the Darwinian survival value of religion?
One facet of the many faces of religion is intense love focused on one supernatural person, i. e. God, plus reverence for icons of that person. Human life is driven largely by our selfish genes and by the processes of reinforcement. Much positive reinforcement derives from religion: warm and comforting feelings of being loved and protected in a dangerous world, loss of fear of death, help from the hills in response to prayer in difficult times, etc. Likewise, romantic love for another real person (usually of the other sex) exhibits the same intense concentration on the other and related positive reinforcements. These feelings can be triggered by icons of the other, such as letters, photographs, and even, as in Victorian times, locks
* See my expose of the dangerous narcotic Gerin Oil: R. Dawkins, 'Gerin Oil', Free Inquiry 24: 1, 2003, 9-11.
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of hair. The state of being in love has many physiological
84 accompaniments, such as sighing like a furnace.
I made the comparison between falling in love and religion in 1993, when I noted that the symptoms of an individual infected by religion 'may be startlingly reminiscent of those more ordinarily associated with sexual love. This is an extremely potent force in the brain, and it is not surprising that some viruses have evolved to exploit it' ('viruses' here is a metaphor for religions: my article was called 'Viruses of the mind'). St Teresa of Avila's famously orgasmic vision is too notorious to need quoting again. More seriously, and on a less crudely sensual plane, the philosopher Anthony Kenny provides moving testimony to the pure delight that awaits those who manage to believe in the mystery of the transubstantiation. After describing his ordination as a Roman Catholic priest, empowered by laying on of hands to celebrate mass, he goes on that he vividly recalls
the exaltation of the first months during which I had the power to say Mass. Normally a slow and sluggish riser, I would leap early out of bed, fully awake and full of excite- ment at the thought of the momentous act I was privileged to perform . . .
It was touching the body of Christ, the closeness of the priest to Jesus, which most enthralled me. I would gaze on the Host after the words of consecration, soft-eyed like a lover looking into the eyes of his beloved . . . Those early days as a priest remain in my memory as days of ful- filment and tremulous happiness; something precious, and yet too fragile to last, like a romantic love-affair brought up short by the reality of an ill-assorted marriage.
The equivalent of the moth's light-compass reaction is the apparently irrational but useful habit of falling in love with one, and only one, member of the opposite sex. The misfiring by- product - equivalent to flying into the candle flame - is falling in love with Yahweh (or with the Virgin Mary, or with a wafer, or with Allah) and performing irrational acts motivated by such love.
The biologist Lewis Wolpert, in Six Impossible Things Before
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Breakfast, makes a suggestion that can be seen as a generalization of the idea of constructive irrationality. His point is that irrationally strong conviction is a guard against fickleness of mind: 'if beliefs that saved lives were not held strongly, it would have been dis- advantageous in early human evolution. It would be a severe disadvantage, for example, when hunting or making tools, to keep changing one's mind. ' The implication of Wolpert's argument is that, at least under some circumstances, it is better to persist in an irrational belief than to vacillate, even if new evidence or ratio- cination favours a change. It is easy to see the 'falling in love' argument as a special case, and it is correspondingly easy to see Wolpert's 'irrational persistence' as yet another useful psychological predisposition that could explain important aspects of irrational religious behaviour: yet another by-product.
In his book Social Evolution, Robert Trivers enlarged on his 1976 evolutionary theory of self-deception. Self-deception is
hiding the truth from the conscious mind the better to hide it from others. In our own species we recognize that shifty eyes, sweaty palms and croaky voices may indicate the stress that accompanies conscious knowledge of attempted deception. By becoming unconscious of its deception, the deceiver hides these signs from the observer. He or she can lie without the nervousness that accompanies deception.
The anthropologist Lionel Tiger says something similar in Optimism: The Biology of Hope. The connection to the sort of con- structive irrationality we have just been discussing is seen in Trivers's paragraph about 'perceptual defense':
There is a tendency for humans consciously to see what they wish to see. They literally have difficulty seeing things with negative connotations while seeing with increasing ease items that are positive. For example, words that evoke anxiety, either because of an individual's personal history or because of experimental manipulation, require greater illumination before first being perceived.
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The relevance of this to the wishful thinking of religion should need no spelling out.
The general theory of religion as an accidental by-product - a misfiring of something useful - is the one I wish to advocate. The details are various, complicated and disputable. For the sake of illustration, I shall continue to use my 'gullible child' theory as representative of 'by-product' theories in general. This theory - that the child brain is, for good reasons, vulnerable to infection by mental 'viruses' - will strike some readers as incomplete. Vulnerable the mind may be, but why should it be infected by this virus rather than that? Are some viruses especially proficient at infecting vulnerable minds? Why does 'infection' manifest itself as religion rather than as . . . well, what? Part of what I want to say is that it doesn't matter what particular style of nonsense infects the child brain. Once infected, the child will grow up and infect the next generation with the same nonsense, whatever it happens to be.
An anthropological survey such as Frazer's Golden Bough impresses us with the diversity of irrational human beliefs. Once entrenched in a culture they persist, evolve and diverge, in a manner reminiscent of biological evolution. Yet Frazer discerns certain general principles, for example 'homoeopathic magic', whereby spells and incantations borrow some symbolic aspect of the real- world object they are intended to influence. An instance with tragic consequences is the belief that powdered rhinoceros horn has aphrodisiac properties. Fatuous as it is, the legend stems from the horn's supposed resemblance to a virile penis. The fact that 'homoeopathic magic' is so widespread suggests that the nonsense that infects vulnerable brains is not entirely random, arbitrary nonsense.
It is tempting to pursue the biological analogy to the point of wondering whether something corresponding to natural selection is at work. Are some ideas more spreadable than others, because of
intrinsic appeal or merit, or compatibility with existing psycho- logical dispositions, and could this account for the nature and properties of actual religions as we see them, in something like the
way we use natural selection to account for living organisms? It is important to understand that 'merit' here means only ability to
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survive and spread. It doesn't mean deserving of a positive value judgement - something of which we might be humanly proud.
Even on an evolutionary model, there doesn't have to be any natural selection. Biologists acknowledge that a gene may spread through a population not because it is a good gene but simply because it is a lucky one. We call this genetic drift. How important it is vis-a-vis natural selection has been controversial. But it is now widely accepted in the form of the so-called neutral theory of molecular genetics. If a gene mutates to a different version of itself which has an identical effect, the difference is neutral, and selection cannot favour one or the other. Nevertheless, by what statisticians call sampling error over generations, the new mutant form can eventually replace the original form in the gene pool. This is a true evolutionary change at the molecular level (even if no change is observed in the world of whole organisms). It is a neutral evolutionary change that owes nothing to selective advantage.
The cultural equivalent of genetic drift is a persuasive option, one that we cannot neglect when thinking about the evolution of religion. Language evolves in a quasi-biological way and the direction its evolution takes looks undirected, pretty much like random drift. It is handed down by a cultural analogue of genetics, changing slowly over the centuries, until eventually various strands have diverged to the point of mutual unintelligibility. It is possible that some of the evolution of language is guided by a kind of natu- ral selection, but that argument doesn't seem very persuasive. I'll explain below that some such idea has been proposed for major trends in language, such as the Great Vowel Shift which took place in English from the fifteenth to the eighteenth century. But such a functional hypothesis is not necessary to explain most of what we observe. It seems probable that language normally evolves by the cultural equivalent of random genetic drift. In different parts of Europe, Latin drifted to become Spanish, Portuguese, Italian, French, Romansche and the various dialects of these languages. It is, to say the least, not obvious that these evolutionary shifts reflect local advantages or 'selection pressures'.
I surmise that religions, like languages, evolve with sufficient randomness, from beginnings that are sufficiently arbitrary, to generate the bewildering - and sometimes dangerous - richness of
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diversity that we observe. At the same time, it is possible that a form of natural selection, coupled with the fundamental uniformity of human psychology, sees to it that the diverse religions share significant features in common. Many religions, for example, teach the objectively implausible but subjectively appealing doctrine that our personalities survive our bodily death. The idea of immortality itself survives and spreads because it caters to wishful thinking. And wishful thinking counts, because human psychology has a near- universal tendency to let belief be coloured by desire ('Thy wish was father, Harry, to that thought', as Henry IV Part II said to his son*).
There seems to be no doubt that many of the attributes of religion are well fitted to helping the religion's own survival, and the survival of the attributes concerned, in the stew of human culture. The question now arises of whether the good fit is achieved by 'intelligent design' or by natural selection. The answer is prob- ably both. On the side of design, religious leaders are fully capable of verbalizing the tricks that aid the survival of religion. Martin Luther was well aware that reason was religion's arch-enemy, and he frequently warned of its dangers: 'Reason is the greatest enemy that faith has; it never comes to the aid of spiritual things, but more frequently than not struggles against the divine Word, treating with
85
contempt all that emanates from God. ' Again: 'Whoever wants to
be a Christian should tear the eyes out of his reason. ' And again: 'Reason should be destroyed in all Christians. ' Luther would have had no difficulty in intelligently designing unintelligent aspects of a religion to help it survive. But that doesn't necessarily mean that he, or anyone else, did design it. It could also have evolved by a (non- genetic) form of natural selection, with Luther not its designer but a shrewd observer of its efficacy.
Even though conventional Darwinian selection of genes might have favoured psychological predispositions that produce religion as a by-product, it is unlikely to have shaped the details. I have already hinted that, if we are going to apply some form of selection theory to those details, we should look not to genes but to their cultural equivalents. Are religions such stuff as memes are made on?
Not my joke: 1066 and All That.
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TREAD SOFTLY, BECAUSE YOU TREAD ON MY MEMES
Truth, in matters of religion, is simply the opinion that has survived.
OSCAR WILDE
This chapter began with the observation that, because Darwinian natural selection abhors waste, any ubiquitous feature of a species - such as religion - must have conferred some advantage or it wouldn't have survived. But I hinted that the advantage doesn't have to redound to the survival or reproductive success of the individual. As we saw, advantage to the genes of the cold virus suf- ficiently explains the ubiquity of that miserable complaint among our species. * And it doesn't even have to be genes that benefit. Any replicator will do. Genes are only the most obvious examples of replicators. Other candidates are computer viruses, and memes - units of cultural inheritance and the topic of this section. If we are to understand memes, we have first to look a little more carefully at exactly how natural selection works.
In its most general form, natural selection must choose between alternative replicators. A replicator is a piece of coded information that makes exact copies of itself, along with occasional inexact copies or 'mutations'. The point about this is the Darwinian one. Those varieties of replicator that happen to be good at getting copied become more numerous at the expense of alternative replicators that are bad at getting copied. That, at its most rudi- mentary, is natural selection. The archetypal replicator is a gene, a stretch of DNA that is duplicated, nearly always with extreme accuracy, through an indefinite number of generations. The central question for meme theory is whether there are units of cultural imitation which behave as true replicators, like genes. I am not say- ing that memes necessarily are close analogues of genes, only that the more like genes they are, the better will meme theory work; and the purpose of this section is to ask whether meme theory might work for the special case of religion.
* Especially my nation, according to national stereotyping legend: 'Void I'anglais avec son sang froid habituel' (Here is the Englishman with his habitual bloody cold). This comes from Fractured French by F. S. Pearson, along with other gems such as 'coup de grace' (lawnmower).
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In the world of genes, the occasional flaws in replication (mutations) see to it that the gene pool contains alternative variants of any given gene - 'alleles' - which may therefore be seen as com- peting with each other. Competing for what? For the particular chromosomal slot or 'locus' that belongs to that set of alleles. And how do they compete? Not by direct molecule-to-molecule combat but by proxy. The proxies are their 'phenotypic traits' - things like leg length or fur colour: manifestations of genes fleshed out as anatomy, physiology, biochemistry or behaviour. A gene's fate is normally bound up with the bodies in which it successively sits. To the extent that it influences those bodies, it affects its own chances of surviving in the gene pool. As the generations go by, genes increase or decrease in frequency in the gene pool by virtue of their phenotypic proxies.
Might the same be true of memes? One respect in which they are not like genes is that there is nothing obviously corresponding to chromosomes or loci or alleles or sexual recombination. The meme pool is less structured and less organized than the gene pool. Nevertheless, it is not obviously silly to speak of a meme pool, in which particular memes might have a 'frequency' which can change as a consequence of competitive interactions with alternative memes.
Some people have objected to memetic explanations, on various grounds that usually stem from the fact that memes are not entirely like genes. The exact physical nature of a gene is now known (it is a sequence of DNA) whereas that of memes is not, and different memeticists confuse one another by switching from one physical medium to another. Do memes exist only in brains? Or is every paper copy and electronic copy of, say, a particular limerick also entitled to be called a meme? Then again, genes replicate with very high fidelity, whereas, if memes replicate at all, don't they do so with low accuracy?
These alleged problems of memes are exaggerated. The most important objection is the allegation that memes are copied with insufficiently high fidelity to function as Darwinian replicators. The suspicion is that if the 'mutation rate' in every generation is high, the meme will mutate itself out of existence before Darwinian selection can have an impact on its frequency in the meme pool. But
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the problem is illusory. Think of a master carpenter, or a prehistoric flint-knapper, demonstrating a particular skill to a young apprentice. If the apprentice faithfully reproduced every hand movement of the master, you would indeed expect to see the meme mutate out of all recognition in a few 'generations' of master/apprentice transmission. But of course the apprentice does not faithfully reproduce every hand movement. It would be ridicu- lous to do so. Instead, he notes the goal that the master is trying to achieve, and imitates that. Drive in the nail until the head is flush, using as many hammer blows as it takes, which may not be the same number as the master used. It is such rules that can pass unmutated down an indefinite number of imitation 'generations';
no matter that the details of their execution may vary from individual to individual, and from case to case. Stitches in knitting, knots in ropes or fishing nets, origami folding patterns, useful tricks in carpentry or pottery: all can be reduced to discrete elements that really do have the opportunity to pass down an indefinite number of imitation generations without alteration. The details may wander idiosyncratically, but the essence passes down unmutated, and that is all that is needed for the analogy of memes with genes to work.
In my foreword to Susan Blackmore's The Meme Machine I developed the example of an origami procedure for making a model Chinese junk. It is quite a complicated recipe, involving thirty-two folding (or similar) operations. The end result (the Chinese junk itself) is a pleasing object, as are at least three intermediate stages in the 'embryology', namely the 'catamaran', the 'box with two lids' and the 'picture frame'. The whole performance does indeed remind me of the foldings and invaginations that the membranes of an embryo undergo as it morphs itself from blastula to gastrula to neurula. I learned to make the Chinese junk as a boy from my father who, at about the same age, had acquired the skill at his boarding school. A craze for making Chinese junks, initiated by the school matron, had spread through the school in his time like a measles epidemic, then died away, also like a measles epidemic. Twenty-six years later, when that matron was long gone, I went to the same school. I reintroduced the craze and it again spread, like another measles epidemic, and then again died away. The fact that
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such a teachable skill can spread like an epidemic tells us something important about the high fidelity of memetic transmission. We may be sure that the junks made by my father's generation of schoolboys in the 1920s were in no general respect different from those made by my generation in the 1950s.
We could investigate the phenomenon more systematically by the following experiment: a variant of the childhood game of Chinese Whispers (American children call it Telephone). Take two hundred people who have never made a Chinese junk before, and line them up in twenty teams of ten people each. Gather the heads of the twenty teams around a table and teach them, by demon- stration, how to make a Chinese junk. Now send each one off to find the second person in his own team, and teach that person alone, again by demonstration, to make a Chinese junk. Each second 'generation' person then teaches the third person in her own team, and so on until the tenth member of every team has been reached. Keep all the junks made along the way, and label them by their team and 'generation' number for subsequent inspection.
I haven't done the experiment yet (I'd like to), but I have a strong prediction of what the result will be. My prediction is that not all of the twenty teams will succeed in passing the skill intact down the line to their tenth members, but that a significant number of them will. In some of the teams there will be mistakes: perhaps a weak link in the chain will forget some vital step in the procedure, and everyone downstream of the mistake will then obviously fail. Perhaps team 4 gets as far as the 'catamaran' but falters thereafter. Perhaps the eighth member of team 13 produces a 'mutant' some- where between the 'box with two lids' and the 'picture frame' and the ninth and tenth members of his team then copy the mutated version.
Now, of those teams in which the skill is transferred successfully to the tenth generation, I make a further prediction. If you rank the junks in order of 'generation' you will not see a systematic deterioration of quality with generation number. If, on the other hand, you were to run an experiment identical in all respects except that the skill transferred was not origami but copying a drawing of a junk, there would definitely be a systematic deterioration in the accuracy with which the generation 1 pattern 'survived' to generation 10.
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In the drawing version of the experiment, all the generation 10 drawings would bear some slight resemblance to the generation 1 drawing. And within each team, the resemblance would more or less steadily deteriorate as you proceed down the generations. In the origami version of the experiment, by contrast, the mistakes would be all-or-none: they'd be 'digital' mutations. Either a team
would make no mistakes and the generation 10 junk would be no worse, and no better, on average than that produced by generation 5 or generation 1; or there would be a 'mutation' in some particular generation and all downstream efforts would be complete failures, often faithfully reproducing the mutation.
What is the crucial difference between the two skills? It is that the origami skill consists of a series of discrete actions, none of which is difficult to perform in itself. Mostly the operations are things like 'Fold both sides into the middle. ' A particular team member may execute the step ineptly, but it will be clear to the next team member down the line what he is trying to do. The origami steps are 'self-normalizing'. It is this that makes them 'digital'. It is like my master carpenter, whose intention to flatten the nail head in the wood is obvious to his apprentice, regardless of the details of the hammer blows. Either you get a given step of the origami recipe right or you don't. The drawing skill, by contrast, is an analogue skill. Everybody can have a go, but some people copy a drawing more accurately than others, and nobody copies it per- fectly. The accuracy of the copy depends, too, on the amount of time and care devoted to it, and these are continuously variable quantities. Some team members, moreover, will embellish and 'improve', rather than strictly copy, the preceding model.
Words - at least when they are understood - are self-normalizing in the same kind of way as origami operations. In the original game of Chinese Whispers (Telephone) the first child is told a story, or a sentence, and is asked to pass it on to the next child, and so on. If the sentence is less than about seven words, in the native language of all the children, there is a good chance that it will survive, un- mutated, down ten generations. If it is in an unknown foreign language, so that the children are forced to imitate phonetically rather than word by word, the message does not survive. The pattern of decay down the generations is then the same as for a drawing,
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and it will become garbled. When the message makes sense in the children's own language, and doesn't contain any unfamiliar words like 'phenotype' or 'allele', it survives. Instead of mimicking the sounds phonetically, each child recognizes each word as a member of a finite vocabulary and selects the same word, although very probably pronounced in a different accent, when passing it on to the next child. Written language is also self-normalizing because the squiggles on paper, no matter how much they may differ in detail, are all drawn from a finite alphabet of (say) twenty- six letters.
The fact that memes can sometimes display very high fidelity, due to self-normalizing processes of this kind, is enough to answer some of the commonest objections that are raised to the meme/gene analogy. In any case, the main purpose of meme theory, at this early stage of its development, is not to supply a comprehensive theory of culture, on a par with Watson-Crick genetics. My original purpose in advocating memes, indeed, was to counter the im- pression that the gene was the only Darwinian game in town - an impression that The Selfish Gene was otherwise at risk of convey- ing. Peter Richerson and Robert Boyd emphasize the point in the title of their valuable and thoughtful book Not by Genes Alone, although they give reasons for not adopting the word 'meme' itself, preferring 'cultural variants'. Stephen Shennan's Genes, Memes and Human History was partly inspired by an earlier excellent book by Boyd and Richerson, Culture and the Evolutionary Process. Other book-length treatments of memes include Robert Aunger's The Electric Meme, Kate Distin's The Selfish Meme, and Virus of the Mind: The New Science of the Meme by Richard Brodie.
But it is Susan Blackmore, in The Meme Machine, who has pushed memetic theory further than anyone. She repeatedly visual- izes a world full of brains (or other receptacles or conduits, such as computers or radio frequency bands) and memes jostling to occupy them. As with genes in a gene pool, the memes that prevail will be the ones that are good at getting themselves copied. This may be because they have direct appeal, as, presumably, the immortality meme has for some people. Or it may be because they flourish in the presence of other memes that have already become numerous in the meme pool. This gives rise to meme complexes or
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'memeplexes'. As usual with memes, we gain understanding by going back to the genetic origin of the analogy.
For didactic purposes, I treated genes as though they were isolated units, acting independently. But of course they are not in- dependent of one another, and this fact shows itself in two ways. First, genes are linearly strung along chromosomes, and so tend to travel through generations in the company of particular other genes that occupy neighbouring chromosomal loci. We doctors call that kind of linkage linkage, and I shall say no more about it because memes don't have chromosomes, alleles or sexual recombination. The other respect in which genes are not independent is very different from genetic linkage, and here there is a good memetic analogy. It concerns embryology which - the fact is often mis- understood - is completely distinct from genetics. Bodies are not jigsawed together as mosaics of phenotypic pieces, each one con- tributed by a different gene. There is no one-to-one mapping between genes and units of anatomy or behaviour. Genes 'collaborate' with hundreds of other genes in programming the developmental processes that culminate in a body, in the same kind of way as the words of a recipe collaborate in a cookery process that culminates in a dish. It is not the case that each word of the recipe corresponds to a different morsel of the dish.
Genes, then, co-operate in cartels to build bodies, and that is one of the important principles of embryology. It is tempting to say that natural selection favours cartels of genes in a kind of group selection between alternative cartels. That is confusion. What really happens is that the other genes of the gene pool constitute a major part of the environment in which each gene is selected versus its alleles. Because each is selected to be successful in the presence of the others - which are also being selected in a similar way - cartels of co-operating genes emerge. We have here something more like a free market than a planned economy. There is a butcher and a baker, but perhaps a gap in the market for a candlestick maker. The invisible hand of natural selection fills the gap. That is differ- ent from having a central planner who favours the troika of butcher + baker + candlestick maker. The idea of co-operating cartels assembled by the invisible hand will turn out to be central to our understanding of religious memes and how they work.
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Different kinds of gene cartel emerge in different gene pools. Carnivore gene pools have genes that program prey-detecting sense organs, prey-catching claws, carnassial teeth, meat-digesting enzymes and many other genes, all fine-tuned to co-operate with each other. At the same time, in herbivore gene pools, different sets of mutually compatible genes are favoured for their co-operation with each other. We are familiar with the idea that a gene is favoured for the compatibility of its phenotype with the external environment of the species: desert, woodland or whatever it is. The point I am now making is that it is also favoured for its compati- bility with the other genes of its particular gene pool. A carnivore gene would not survive in a herbivore gene pool, and vice versa. In the long gene's-eye-view, the gene pool of the species - the set of genes that are shuffled and reshuffled by sexual reproduction - con- stitutes the genetic environment in which each gene is selected for its capacity to co-operate. Although meme pools are less regimented and structured than gene pools, we can still speak of a meme pool as an important part of the 'environment' of each meme in the memeplex.
A memeplex is a set of memes which, while not necessarily being good survivors on their own, are good survivors in the presence of other members of the memeplex. In the previous section I doubted that the details of language evolution are favoured by any kind of natural selection. I guessed that language evolution is instead governed by random drift. It is just conceivable that certain vowels or consonants carry better than others through mountainous terrain, and therefore might become characteristic of, say Swiss, Tibetan and Andean dialects, while other sounds are suitable for whispering in dense forests and are therefore characteristic of Pygmy and Amazonian languages. But the one example I cited of language being naturally selected - the theory that the Great Vowel Shift might have a functional explanation - is not of this type. Rather, it has to do with memes fitting in with mutually compatible memeplexes. One vowel shifted first, for reasons unknown - per- haps fashionable imitation of an admired or powerful individual, as is alleged to be the origin of the Spanish lisp. Never mind how the Great Vowel Shift started: according to this theory, once the first vowel had changed, other vowels had to shift in its train, to reduce
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ambiguity, and so on in cascade. In this second stage of the process, memes were selected against the background of already existing meme pools, building up a new memeplex of mutually compatible memes.
We are finally equipped to turn to the memetic theory of religion. Some religious ideas, like some genes, might survive because of absolute merit. These memes would survive in any meme pool, regardless of the other memes that surround them. (I must repeat the vitally important point that 'merit' in this sense means only 'ability to survive in the pool'. It carries no value judgement apart from that. ) Some religious ideas survive because they are compatible with other memes that are already numerous in the meme pool - as part of a memeplex. The following is a partial list of religious memes that might plausibly have survival value in the meme pool, either because of absolute 'merit' or because of com- patibility with an existing memeplex:
? You will survive your own death.
? If you die a martyr, you will go to an especially wonderful part of paradise where you will enjoy seventy-two virgins (spare a thought for the unfortunate virgins).
? Heretics, blasphemers and apostates should be killed (or otherwise punished, for example by ostracism from their families).
? Belief in God is a supreme virtue. If you find your belief waver- ing, work hard at restoring it, and beg God to help your unbelief. (In my discussion of Pascal's Wager I mentioned the odd assumption that the one thing God really wants of us is belief. At the time I treated it as an oddity. Now we have an explanation for it. )
? Faith (belief without evidence) is a virtue. The more your beliefs defy the evidence, the more virtuous you are. Virtuoso believers who can manage to believe something really weird, unsupported and insupportable, in the teeth of evidence and reason, are especially highly rewarded.
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THE GOD DELUSION
?
?
?
Everybody, even those who do not hold religious beliefs, must respect them with a higher level of automatic and unquestioned respect than that accorded to other kinds of belief (we met this in Chapter 1).
There are some weird things (such as the Trinity, transubstanti- ation, incarnation) that we are not meant to understand. Don't even try to understand one of these, for the attempt might destroy it. Learn how to gain fulfilment in calling it a mystery.
Beautiful music, art and scriptures are themselves self- replicating tokens of religious ideas. *
Some of the above list probably have absolute survival value and would flourish in any memeplex. But, as with genes, some memes survive only against the right background of other memes, leading to the build-up of alternative memeplexes. Two different religions might be seen as two alternative memeplexes. Perhaps Islam is analogous to a carnivorous gene complex, Buddhism to a herbivorous one. The ideas of one religion are not 'better' than those of the other in any absolute sense, any more than carnivorous genes are 'better' than herbivorous ones. Religious memes of this kind don't necessarily have any absolute aptitude for survival; nevertheless, they are good in the sense that they flourish in the presence of other memes of their own religion, but not in the presence of memes of the other religion. On this model, Roman Catholicism and Islam, say, were not necessarily designed by individual people, but evolved separately as alternative collections of memes that flourish in the presence of other members of the same memeplex.
Organized religions are organized by people: by priests and bishops, rabbis, imams and ayatollahs. But, to reiterate the point I made with respect to Martin Luther, that doesn't mean they were conceived and designed by people. Even where religions have been
* Different schools and genres of art can be analysed as alternative memeplexes, as artists copy ideas and motifs from earlier artists, and new motifs survive only if they mesh with others. Indeed, the whole academic discipline of History of Art, with its sophisticated tracing of iconographies and symbolisms, could be seen as an elaborate study in memeplexity. Details will have been favoured or disfavoured by the presence of existing members of the meme pool, and these will often include religious memes.
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exploited and manipulated to the benefit of powerful individuals, the strong possibility remains that the detailed form of each religion has been largely shaped by unconscious evolution. Not by genetic natural selection, which is too slow to account for the rapid evolution and divergence of religions. The role of genetic natural selection in the story is to provide the brain, with its predilections and biases - the hardware platform and low-level system software which form the background to memetic selection. Given this back- ground, memetic natural selection of some kind seems to me to offer a plausible account of the detailed evolution of particular religions. In the early stages of a religion's evolution, before it becomes organized, simple memes survive by virtue of their universal appeal to human psychology. This is where the meme theory of religion and the psychological by-product theory of religion overlap. The later stages, where a religion becomes organized, elaborate and arbitrarily different from other religions,
are quite well handled by the theory of memeplexes - cartels of mutually compatible memes. This doesn't rule out the additional role of deliberate manipulation by priests and others. Religions probably are, at least in part, intelligently designed, as are schools and fashions in art.
One religion that was intelligently designed, almost in its entirety, is Scientology, but I suspect that it is exceptional. Another candidate for a purely designed religion is Mormonism. Joseph Smith, its enterprisingly mendacious inventor, went to the lengths of composing a complete new holy book, the Book of Mormon, inventing from scratch a whole new bogus American history, written in bogus seventeenth-century English. Mormonism, how- ever, has evolved since it was fabricated in the nineteenth century and has now become one of the respectable mainstream religions of America - indeed, it claims to be the fastest-growing one, and there is talk of fielding a presidential candidate.
Most religions evolve. Whatever theory of religious evolution we adopt, it has to be capable of explaining the astonishing speed with which the process of religious evolution, given the right conditions, can take off. A case study follows.
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CARGO CULTS
In The Life of Brian, one of the many things the Monty Python team got right was the extreme rapidity with which a new religious cult can get started. It can spring up almost overnight and then become incorporated into a culture, where it plays a disquietingly dominant role. The 'cargo cults' of Pacific Melanesia and New Guinea provide the most famous real life example. The entire his- tory of some of these cults, from initiation to expiry, is wrapped up within living memory. Unlike the cult of Jesus, the origins of which are not reliably attested, we can see the whole course of events laid out before our eyes (and even here, as we shall see, some details are now lost). It is fascinating to guess that the cult of Christianity almost certainly began in very much the same way, and spread initially at the same high speed.
My main authority for the cargo cults is David Attenborough's Quest in Paradise, which he very kindly presented to me. The pattern is the same for all of them, from the earliest cults in the nineteenth century to the more famous ones that grew up in the aftermath of the Second World War. It seems that in every case the islanders were bowled over by the wondrous possessions of the white immigrants to their islands, including administrators, soldiers and missionaries. They were perhaps the victims of (Arthur C. ) Clarke's Third Law, which I quoted in Chapter 2: 'Any sufficiently advanced technology is indistinguishable from magic'
The islanders noticed that the white people who enjoyed these wonders never made them themselves. When articles needed repair- ing they were sent away, and new ones kept arriving as 'cargo' in ships or, later, planes. No white man was ever seen to make or repair anything, nor indeed did they do anything that could be recognized as useful work of any kind (sitting behind a desk shuffling papers was obviously some kind of religious devotion). Evidently, then, the 'cargo' must be of supernatural origin. As if in corroboration of this, the white men did do certain things that could only have been ritual ceremonies:
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They build tall masts with wires attached to them; they sit listening to small boxes that glow with light and emit curious noises and strangled voices; they persuade the local people to dress up in identical clothes, and march them up and down - and it would hardly be possible to devise a more useless occupation than that. And then the native realizes that he has stumbled on the answer to the mystery. It is these incomprehensible actions that are the rituals employed by the white man to persuade the gods to send the cargo. If the native wants the cargo, then he too must do these things.
It is striking that similar cargo cults sprang up independently on islands that were widely separated both geographically and culturally. David Attenborough tells us that
Anthropologists have noted two separate outbreaks in New Caledonia, four in the Solomons, four in Fiji, seven in the New Hebrides, and over fifty in New Guinea, most of them being quite independent and unconnected with one another. The majority of these religions claim that one particular messiah will bring the cargo when the day of the apocalypse arrives.
The independent flowering of so many independent but similar cults suggests some unifying features of human psychology in general.
One famous cult on the island of Tanna in the New Hebrides (known as Vanuatu since 1980) is still extant. It is centred on a messianic figure called John Frum. References to John Frum in official government records go back only as far as 1940 but, even for so recent a myth, it is not known for certain whether he ever existed as a real man. One legend described him as a little man with a high-pitched voice and bleached hair, wearing a coat with shining buttons. He made strange prophecies, and he went out of his way to turn the people against the missionaries. Eventually he returned to the ancestors, after promising a triumphal second coming, bear- ing bountiful cargo. His apocalyptic vision included a 'great
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cataclysm; the mountains would fall flat and the valleys would be filled;* old people would regain their youth and sickness would vanish; the white people would be expelled from the island never to return; and cargo would arrive in great quantity so that everybody would have as much as he wanted'.
Most worryingly for the government, John Frum also prophesied that, on his second coming, he would bring a new coinage, stamped with the image of a coconut. The people must therefore get rid of all their money of the white man's currency. In 1941 this led to a wild spending spree; the people stopped working and the island's economy was seriously damaged. The colonial administrators arrested the ringleaders but nothing that they could do would kill the cult, and the mission churches and schools became deserted.
A little later, a new doctrine grew up that John Frum was King of America. Providentially, American troops arrived in the New Hebrides around this time and, wonder of wonders, they included black men who were not poor like the islanders but
as richly endowed with cargo as the white soldiers. Wild excitement overwhelmed Tanna. The day of the apocalypse was imminent. It seemed that everyone was preparing for the arrival of John Frum. One of the leaders said that John Frum would be coming from America by aeroplane and hundreds of men began to clear the bush in the centre of the island so that the plane might have an airstrip on which to land.
The airstrip had a bamboo control tower with 'air traffic controllers' wearing dummy headphones made of wood. There were dummy planes on the 'runway' to act as decoys, designed to lure down John Frum's plane.
In the 1950s, the young David Attenborough sailed to Tanna with a cameraman, Geoffrey Mulligan, to investigate the cult of John Frum. They found plenty of evidence of the religion and were eventually introduced to its high priest, a man called Nambas.
* Compare Isaiah 40: 4: 'Every valley shall be exalted, and every mountain and hill shall be made low. ' This similarity doesn't necessarily indicate any fundamen- tal feature of the human psyche, or Jungian 'collective unconscious'. These islands had long been infested with missionaries.
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Nambas referred to his messiah familiarly as John, and claimed to speak regularly to him, by 'radio'. This ('radio belong John') con- sisted of an old woman with an electric wire around her waist who would fall into a trance and talk gibberish, which Nambas inter- preted as the words of John Frum. Nambas claimed to have known in advance that Attenborough was coming to see him, because John Frum had told him on the 'radio'. Attenborough asked to see the 'radio' but was (understandably) refused. He changed the subject and asked whether Nambas had seen John Frum:
Nambas nodded vigorously. 'Me see him plenty time. ' 'What does he look like? '
Nambas jabbed his finger at me. "E look like you. 'E
got white face. 'E tall man. 'E live 'long South America. '
This detail contradicts the legend referred to above that John Frum was a short man. Such is the way with evolving legends.
It is believed that the day of John Frum's return will be 15 February, but the year is unknown. Every year on 15 February his followers assemble for a religious ceremony to welcome him. So far he has not returned, but they are not downhearted. David Attenborough said to one cult devotee, called Sam:
'But, Sam, it is nineteen years since John say that the cargo will come. He promise and he promise, but still the cargo does not come. Isn't nineteen years a long time to wait? '
Sam lifted his eyes from the ground and looked at me. 'If you can wait two thousand years for Jesus Christ to come an' 'e no come, then I can wait more than nineteen years for John. '
Robert Buckman's book Can We Be Good without God? quotes the same admirable retort by a John Frum disciple, this time to a Canadian journalist some forty years after David Attenborough's encounter.
The Queen and Prince Philip visited the area in 1974, and the Prince subsequently became deified in a rerun of a John-Frum-type cult (once again, note how rapidly the details in religious evolution
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can change). The Prince is a handsome man who would have cut an imposing figure in his white naval uniform and plumed helmet, and it is perhaps not surprising that he, rather than the Queen, was elevated in this way, quite apart from the fact that the culture of the islanders made it difficult for them to accept a female deity.
I don't want to make too much of the cargo cults of the South Pacific. But they do provide a fascinating contemporary model for the way religions spring up from almost nothing. In particular, they suggest four lessons about the origin of religions generally, and I'll set them out briefly here. First is the amazing speed with which a cult can spring up. Second is the speed with which the origination process covers its tracks. John Frum, if he existed at all, did so within living memory. Yet, even for so recent a possibility, it is not certain whether he lived at all. The third lesson springs from the independent emergence of similar cults on different islands. The systematic study of these similarities can tell us something about human psychology and its susceptibility to religion. Fourth, the cargo cults are similar, not just to each other but to older religions. Christianity and other ancient religions that have spread worldwide presumably began as local cults like that of John Frum. Indeed, scholars such as Geza Vermes, Professor of Jewish Studies at Oxford University, have suggested that Jesus was one of many such charismatic figures who emerged in Palestine around his time, sur- rounded by similar legends. Most of those cults died away. The one that survived, on this view, is the one that we encounter today. And, as the centuries go by, it has been honed by further evolution (memetic selection, if you like that way of putting it; not if you don't) into the sophisticated system - or rather diverging sets of descendant systems - that dominate large parts of the world today. The deaths of charismatic modern figures such as Haile Selassie, Elvis Presley and Princess Diana offer other opportunities to study the rapid rise of cults and their subsequent memetic evolution.
That is all I want to say about the roots of religion itself, apart from a brief reprise in Chapter 10 when I discuss the 'imaginary friend' phenomenon of childhood under the heading of the psycho- logical 'needs' that religion fulfils.
Morality is often thought to have its roots in religion, and in the next chapter I want to question this view. I shall argue that the
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origin of morality can itself be the subject of a Darwinian question. Just as we asked: What is the Darwinian survival value of religion?
