It is significant that, in his De revolutionibus orbium celestium (On the
Revolutions
of the Heavenly Bodies), the sphere of fixed stars no longer had a specific physical function and no longer constituted the principle of motion.
Bruno-Cause-Principle-and-Unity
?
?
?
?
University of Florence
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
The Pitt Building, Trumpington Street, Cambridge, United Kingdom
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
The Edinburgh Building, Cambridge CB2 2RU, UK
40 West 20th Street, New York, NY 10011-4211, USA
477 Williamstown Road, Port Melbourne, VIC 3207, Australia Ruiz de Alarco? n 13, 28014 Madrid, Spain
Dock House, The Waterfront, Cape Town 8001, South Africa
http://www. cambridge. org
(C) Cambridge University Press 2004
First published in printed format 1998
ISBN 0-511-03494-6 eBook (Adobe Reader)
? ? ? ISBN 0-521-59359-X hardback
? ISBN 0-521-59658-0 paperback
? Introduction Chronology Further reading Note on the texts
page vii xxx xxxiv xxxvi
? ? ? ? ? ? ?
? ? ?
Cause, principle and unity On magic
A general account of bonding
Index
Contents
Introduction
Giordano Bruno was born in Nola, near Naples, in ? ? ? ? . He entered the Dominican Order and, following publication of some works that are now lost, he left Italy in ? ? ? ? for Switzerland, France and eventually England, a move perhaps due to the oppressive climate in his own country, where the church felt itself threatened by the new science which he attempted to prop- agate. Having acquired a great interest in Ramon Lull (c. ? ? ? ? -? ? ? ? )1 and the art of memory, he presented in London his vision of an infinite universe in which he sought to re-unify terrestrial physics with celestial physics on the basis of a principle of universal becoming. He also reflected on the causes of the religious wars and tried to determine the origin of the theological dis- putes of the period. Beginning with the metaphysics expressed in De la causa, principio e uno (Cause, Principle and Unity), which reflected the objec- tions he encountered in England, he derived a new concept of the divinity which evolved from his cosmology and was to assume a radically anti- Christian character. The magical, animistic vision of everything which he adopted throughout all his writings, not just those of the last period of his life, is evident here. In addition to his specific contributions to the scientific revolution, he presented a general metaphysical vision that contributed sig- nificantly to the development of Renaissance philosophy.
Having returned to Italy in ? ? ? ? during the debate about the legitimacy of combining ancient knowledge with orthodoxy, Bruno was perhaps deceived by the experience of Francesco Patrizi,2 who was lecturing in
? 1 Lull designed an ars combinatoria, a code for representing reality such that its elements could be com- bined in different ways to represent various items of knowledge, from astronomy to theology. Mastery of this code and its permutations provided the person trained in its use with a sophisticated mnemonic device.
2 Francesco Patrizi (? ? ? ? -? ? ) was one of the leading Platonists of the Renaissance; his major work, A New Philosophy of the Universes, was condemned by the Congregation of the Index in Rome.
vii
Introduction
? Platonic philosophy at the University of Sapienza at Rome. He thought he might be able to find a role for himself by renouncing or concealing the most heterodox features of his own teaching. This was an illusion, and he fell foul of the Inquisition and was executed at the stake in the Campo de' Fiori in ? ? ? ? .
I
La Cena de le Ceneri (The Ash Wednesday Supper) was the first of the dia- logues in Italian which Bruno published in ? ? ? ? /? . 3 The striking feature of this work, in which the author proclaims his Copernicanism, is the immediate connection established between the annual motion of the earth around the sun and the infinity of the universe. This, however, was quite different from the position of Copernicus, who, having given new dimen- sions to the traditional cosmos, recognized the immensity of the heavens but left to the natural philosopher the ultimate decision about whether or not the universe was infinite. In The Ash Wednesday Supper, on the con- trary, we find a clear affirmation of an infinite universe with infinite solar systems similar to our own. Suns and earths are composed of our own elements, they are living and inhabited beings, they are stars which are recognized not only as living things but also as divinities.
Bruno was led to these conclusions, in particular the thesis of the infin- ity of the universe, by a number of factors. In Copernicus' work, the earth was construed as a celestial body rotating round the sun like the other plan- ets; it was implicitly elevated to the status of a star, thus breaking down the rigid separation between the sublunary world and the celestial world, although Copernicus did not want to confront the enormous physical problems which derived from his heliocentrism.
It is significant that, in his De revolutionibus orbium celestium (On the Revolutions of the Heavenly Bodies), the sphere of fixed stars no longer had a specific physical function and no longer constituted the principle of motion. This was a conclusion that could have been strengthened in Bruno's eyes by some developments in Italian philosophy of nature, especially those of Bernardino Telesio (? ? ? ? -? ? ). Bruno now went further and called into question the very
3 References to Bruno's Italian works are in the Dialoghi italiani, ? rd edn edited by G. Aquilecchia, reprinted with notes by G. Gentile (Florence: Sansoni, ? ? ? ? : reprt. ? ? ? ? ). The Latin works, Opera latine conscripta, were edited in Naples between ? ? ? ? and ? ? ? ? in three volumes (in eight parts) by F. Fiorentino, F. Tocco, G. Vitelli, V. Imbriani and C. M. Tallarigo. References to the Latin works are identifed as Op. lat. , with the volume, part and page number.
? viii
Introduction
? existence of such a sphere, which seemed to him merely the result of an optical illusion which made all the stars appear to be at an equal distance from the earth.
Bruno's comparison between himself and Copernicus in The Ash Wednesday Supper throws further light on this issue. Although Copernicus is ranked in the history of astronomy as being comparable to Hipparchus or Ptolemy, his real significance is thought to lie in the fact that he is a hero of human thought who was able to oppose the force of common prejudice, the vulgar Aristotelian philosophy, the apparently self-evident view that the earth was immobile in the centre of the heavens. Nevertheless, his work is presented as having crucial limitations which open the way to what will be Bruno's specific contribution. Copernicus was primarily a mathemati- cian - his interest was directed towards astronomy rather than towards nat- ural philosophy, and in this sense his work needed to be further developed. Certainly he started from a correct and significant physical presupposition, the earth's motion, but he sought only a mathematical description of the movements of the heavens. 4
In contrast, Bruno presents himself as a natural philosopher, as the one who is destined to become the authentic interpreter of Copernicus' dis- covery and is called to draw out the conclusions from it, beginning with the physical ones. The first of these, which is decisive for a correct under- standing of the others, is the infinity of the universe. In the Narratio of Georg Joachim Rheticus, which Bruno was able to read in the ? ? ? ? edition of De revolutionibus, Rheticus had described the astronomer as a blind man who has a stick to help him on his way, and this stick was mathematics. In order to accomplish the theoretical task which he sets himself, a task which lies at the limit of human ability, the astronomer needs a hand to guide him and inspiration from above. Thus in The Ash Wednesday Supper Copernicus becomes the inspired one to whom the gods have entrusted a message, the importance and significance of which he has not realized; he is like a blind fortune teller for whom Bruno acts as the authentic interpreter. The philosopher, therefore, is summoned on a metaphorical journey across the heavens to discover that the traditional crystalline spheres are only a vain fiction, that there is no upper limit to the physical world and thus no end to his journey, and that what opens out in front of him is an infinite space. The philosopher shows us that the divinity is present in us and in our planet no less than in every other heavenly body, that it is not situated
4 Dialoghi, ? ? -? . ix
? Introduction
? beyond the imaginary limit of a closed and finite universe, in a place which makes it accessible to man. 5
Bruno's reform, therefore, is not only philosophically significant but also has religious consequences. It challenges the developments of the Reformation, calls into question the truth-value of the whole of Christianity, and claims that Christ perpetrated a deceit on mankind. In the pages which follow, he compares the negative consequences which have resulted from traditional philosophy - negative consequences which are apparent to everyone - with the positive fruits, both civil and religious, which the new philosophy is producing, revitalizing all those fields of knowledge and life in which the ancients had excelled.
The consequences of this new philosophy are wide-ranging and radical because this new vision of the cosmos changes our relationship with the divinity, and this, in Bruno's eyes, transforms the very meaning of human life. He claims that this new vision will reconcile us with the divine law which governs nature, and free us from the fear of imaginary divinities, cruel and unfathomable, who look down from heavenly heights, control- ling the sublunary world in a mysterious way. Human beings believe that they are enclosed in an inferior world subject to generation and corruption, but this is a simple illusion. Within this world, as in Plato's cave, we can see only the shadows of reality which appear on its wall, the shadows of the ideas which take shape and form at the upper limit of the heavens. Bruno suggests that, on the contrary, we can now recognize the universal law which controls the perpetual becoming of all things in an infinite universe. Knowledge of this law reassures us in the face of the present and the future (about which, of course, we have only an imperfect knowledge), because it does not deny anything its existence in and of itself, but claims that everything is being ceaselessly transformed into something else.
More than any previous thinker, then, Bruno is aware of the fact that the fall of Aristotelian cosmology implies the end of traditional metaphysics. From this starting point he elaborates a philosophy which is new and orig- inal, despite drawing on views attributed to the Presocratics (the ens et unum of Parmenides, Anaxagoras' omnia in omnibus), whose voices are distorted by the fact that they are preserved only in Aristotle's refutations of their positions. Thus, in Cause, Principle and Unity,6 he sets about presenting a
5 Ibid. , ? ? -? .
6 See the critical edition of De la causa, principio e uno, edited by G. Aquilecchia (Turin: Einaudi, ? ? ? ? ).
? x
Introduction
? metaphysics which is intended to constitute a more solid foundation for the interpretation of nature and for the consequent introduction of a new ethic, capable of establishing the outlines of the renewed relationship between man and God both at the level of civil life and at the philosopher's level of contemplation. The problem which immediately arises, however, is that of specifying how this new idea of the divinity is formed and in what sense Bruno's infinite universe radically modifies the relationship between God and the world, between God and human beings.
II
To clarify these issues, we must return to Bruno's earliest works, especially to De umbris idearum (The Shadows of Ideas) (? ? ? ? ). Here he tried to elab- orate an art of memory which was based on magical foundations; and in doing this he identified the heavenly models, the exemplars of every sensi- ble reality which the human mind can know, with the images of the thirty- six heavenly deacons which tradition attributed to Teucer the Babylonian and which he borrowed from the classic text of Renaissance magic, Agrippa's De occulta philosophia. 7 In De umbris Bruno applies, in an appar- ently arbitrary way, Nicholas of Cusa's coincidence of opposites to the con- ception of the hierarchy of being which Marsilio Ficino explained in his Theologia platonica. 8 This doctrine, which is central to that work, is an attempt to define the special privilege assigned within the framework of creation to the rational soul, a genus which includes both the anima mundi (the world-soul) and the human soul. Ficino defines this privilege in cos- mological terms. In fact, in his eyes the rational soul was at the centre of the hierarchy of being, as the very link between the sensible world and the intelligible world; descending from the former, it gave life and form to the latter.
The hierarchy of being extended between two extremes, pure act and pure potency, God and prime matter, in such a way that each of the inter- mediate levels of the hierarchy presented a different relationship between act and potency. One descended down the levels of this hierarchy, starting
? 7 Cf. E. Garin, 'Le <<elezioni>> e il problema dell'astrologia,' reprinted in Garin, L'eta` nuova. Ricerche di storia della cultura dal XII al XVI (Naples: Morano, ? ? ? ? ), ? ? ? -? ? , used, especially in ch. XI, by F. A. Yates, Giordano Bruno and the Hermetic Tradition (London: Routledge and Kegan Paul, ? ? ? ? ).
8 M. Ficino, Theologia platonica, XI in Opera (Basel, ? ? ? ? ) I, ? ? ? -? . Ficino's doctrine is comprehensi- ble due to the theory of the primum in aliquo genere, according to which the last member of one genus coincides with the first member of the following genus.
xi
Introduction
? from the pure act constituted by God and eventually reaching prime mat- ter. Each step downward represented an increase in potentiality. Within this overarching hierarchy, if the sensible and the intelligible are analysed as two separate categories and if each one of them is considered as a uni- tary whole, complete in itself, it would be possible to discover something new, namely the way in which the sensible world and the intelligible world, despite being radically distinct by nature, were linked together. In the intel- ligible sphere, one descended gradually to the lowest level, which was con- stituted by the rational soul; it was purely receptive to the levels above it, and could thus be considered as pure potency in relation to them. In the sensible sphere, on the other hand, one moved up within the hierarchy of being, from prime matter, through a sequence of more complex forms of corporeal organization until one reached an absolute limit. That limit was heavenly matter, which because of its purity and spirituality could be defined by Ficino as corpus quasi non corpus (a body that is almost not a body). This kind of matter, sometimes called 'spirit' and sometimes 'ether', could be considered to be pure act in comparison with prime matter. Here it seemed as if the pure potentiality which defined prime matter was trans- formed completely into its opposite, pure actuality. In conclusion, the more the act transformed itself into potency with respect to the superior levels in the intelligible world, the more the opposite process seemed to take place in the sensible sphere and potentiality seemed to be transformed progres- sively into actuality.
Here it is important to note how this analysis underpins Ficino's doc- trine of the world-soul, which linked the corporeal and the spiritual, giv- ing life and form to the entire inferior world. Bruno saw this as an instance of Nicholas of Cusa's coincidence of opposites: two spheres were gradually losing their essential characteristics by somehow transforming themselves into one another. He also saw in doctrines of this type the theoretical basis for a distinctive kind of art of memory and the foundation for an authentic astral theology. Through these it seemed possible that man, endowed with a rational soul and a spirit to mediate between the soul and his elementary body, could link himself to that privileged cosmic point on the boundary between the sensible and the intelligible which would allow him to grasp the archetypal forms, the actual generating models of every sensible real- ity, if not in their purity, then at least in their shadows, the shadows of ideas.
As already mentioned, in The Ash Wednesday Supper the sphere of fixed stars began to lose all the functions which had been assigned to it within
xii
Introduction
? traditional cosmology. Each of the movements which had been attributed to it was reduced to a mere appearance generated by the motion of the earth. Bruno thus denied the very existence of such a sphere, relegating it simply to an optical illusion. The first casualty of all this was Ficino's doctrine of the hierarchy of being, which Bruno had used in De umbris, where he interpreted it in terms of the coincidence of opposites; nevertheless, in this work he still tried to interpret the role of human beings, their origin and destiny, within the traditional cosmological framework. Certainly, he remained faithful even in his new cosmology to the Platonic world-soul, understanding it as an intrin- sic principle of motion for all the celestial bodies which no longer needed any other forms of motion, and, as we shall see in Cause, he will speak of a uni- versal soul which effectively shapes and gives life to everything. However, he is not able to refrain from attacking, in De immenso (The Boundless), those 'shadows of ideas' that men had believed in, all those mysteria platonica et peripatetica (Platonic and peripatetic mysteries) which resulted from the belief in two ontologically separated spheres, the heavenly world and the sublunary world. In particular, he summarizes and rejects all the charac- teristics attributed to the spheres of fixed stars which, among other things, made it the access route from the intelligible world to the sensible world. 9
It is important, therefore, that he summarizes Ficino's doctrines of the hierarchy of being and of the meeting of the sensible and the intelligible in such minute detail in order to be able to reject them in a radical manner. 10 In the final, decisive book of the poem, he condemns both the theologian's empyrean heaven and the Platonic intelligible world, and undercuts the doctrine of spirit, conceived as an ethereal vehicle of the soul in its process of incarnation. The idea of a world of ideal moulds, of separated ideas, no longer has any meaning for him, and this rejection of a separate world of pure essences leads him to define as meaningless anything lacking a con- crete, real existence, anything which, as a result of a process of abstraction, has been unjustifiably hypostatized.
Bruno's reflective transformation of Ficino's doctrine of the meeting between the sensible and the intelligible is essential for understanding the
? 9
10
Op. lat. , I, II, ? : ' . . . prima naturae genitura, simplicissima, capacissima, potentissima, activissima, animatissima, perfectissima, causa universalis . . . cuius portae geminae . . . divinarum animarum vehiculum, idearum characteribus signata . . . nostro verenda metuendaque superincubans mundo, divinitatis potentia . . . nunc spacii et aetheris natura, et magnitudine comperta . . . e manibus, eque oculis evanescit, portentosa umbra sine corpore tandem fuisse convincitur. ' For the reference to Macrobius, cf. Op. lat. , I, II, ? ? ? .
Op. lat. , I, II, ? ? ? -? ? .
xiii
Introduction
? development of thought in Cause. If one starts from the assumption that the universe is infinite, it no longer makes sense to conceive the coincidence between act and potency as the exclusive property of a fixed point in the hierarchy of being, a privileged point in a finite and physical cosmos con- ceived as distinct from the intelligible world. Bruno therefore tries to rethink such a coincidence on the assumption that space is infinite and homogeneous, and that there are no separate hierarchical orders of being, and he does this in the light of two key concepts, that of an infinite active potency and that of an infinite passive potency, which are directly associ- ated with each other in the cosmos. On this journey, Nicholas of Cusa guides him.
University of Florence
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
The Pitt Building, Trumpington Street, Cambridge, United Kingdom
? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ? ?
The Edinburgh Building, Cambridge CB2 2RU, UK
40 West 20th Street, New York, NY 10011-4211, USA
477 Williamstown Road, Port Melbourne, VIC 3207, Australia Ruiz de Alarco? n 13, 28014 Madrid, Spain
Dock House, The Waterfront, Cape Town 8001, South Africa
http://www. cambridge. org
(C) Cambridge University Press 2004
First published in printed format 1998
ISBN 0-511-03494-6 eBook (Adobe Reader)
? ? ? ISBN 0-521-59359-X hardback
? ISBN 0-521-59658-0 paperback
? Introduction Chronology Further reading Note on the texts
page vii xxx xxxiv xxxvi
? ? ? ? ? ? ?
? ? ?
Cause, principle and unity On magic
A general account of bonding
Index
Contents
Introduction
Giordano Bruno was born in Nola, near Naples, in ? ? ? ? . He entered the Dominican Order and, following publication of some works that are now lost, he left Italy in ? ? ? ? for Switzerland, France and eventually England, a move perhaps due to the oppressive climate in his own country, where the church felt itself threatened by the new science which he attempted to prop- agate. Having acquired a great interest in Ramon Lull (c. ? ? ? ? -? ? ? ? )1 and the art of memory, he presented in London his vision of an infinite universe in which he sought to re-unify terrestrial physics with celestial physics on the basis of a principle of universal becoming. He also reflected on the causes of the religious wars and tried to determine the origin of the theological dis- putes of the period. Beginning with the metaphysics expressed in De la causa, principio e uno (Cause, Principle and Unity), which reflected the objec- tions he encountered in England, he derived a new concept of the divinity which evolved from his cosmology and was to assume a radically anti- Christian character. The magical, animistic vision of everything which he adopted throughout all his writings, not just those of the last period of his life, is evident here. In addition to his specific contributions to the scientific revolution, he presented a general metaphysical vision that contributed sig- nificantly to the development of Renaissance philosophy.
Having returned to Italy in ? ? ? ? during the debate about the legitimacy of combining ancient knowledge with orthodoxy, Bruno was perhaps deceived by the experience of Francesco Patrizi,2 who was lecturing in
? 1 Lull designed an ars combinatoria, a code for representing reality such that its elements could be com- bined in different ways to represent various items of knowledge, from astronomy to theology. Mastery of this code and its permutations provided the person trained in its use with a sophisticated mnemonic device.
2 Francesco Patrizi (? ? ? ? -? ? ) was one of the leading Platonists of the Renaissance; his major work, A New Philosophy of the Universes, was condemned by the Congregation of the Index in Rome.
vii
Introduction
? Platonic philosophy at the University of Sapienza at Rome. He thought he might be able to find a role for himself by renouncing or concealing the most heterodox features of his own teaching. This was an illusion, and he fell foul of the Inquisition and was executed at the stake in the Campo de' Fiori in ? ? ? ? .
I
La Cena de le Ceneri (The Ash Wednesday Supper) was the first of the dia- logues in Italian which Bruno published in ? ? ? ? /? . 3 The striking feature of this work, in which the author proclaims his Copernicanism, is the immediate connection established between the annual motion of the earth around the sun and the infinity of the universe. This, however, was quite different from the position of Copernicus, who, having given new dimen- sions to the traditional cosmos, recognized the immensity of the heavens but left to the natural philosopher the ultimate decision about whether or not the universe was infinite. In The Ash Wednesday Supper, on the con- trary, we find a clear affirmation of an infinite universe with infinite solar systems similar to our own. Suns and earths are composed of our own elements, they are living and inhabited beings, they are stars which are recognized not only as living things but also as divinities.
Bruno was led to these conclusions, in particular the thesis of the infin- ity of the universe, by a number of factors. In Copernicus' work, the earth was construed as a celestial body rotating round the sun like the other plan- ets; it was implicitly elevated to the status of a star, thus breaking down the rigid separation between the sublunary world and the celestial world, although Copernicus did not want to confront the enormous physical problems which derived from his heliocentrism.
It is significant that, in his De revolutionibus orbium celestium (On the Revolutions of the Heavenly Bodies), the sphere of fixed stars no longer had a specific physical function and no longer constituted the principle of motion. This was a conclusion that could have been strengthened in Bruno's eyes by some developments in Italian philosophy of nature, especially those of Bernardino Telesio (? ? ? ? -? ? ). Bruno now went further and called into question the very
3 References to Bruno's Italian works are in the Dialoghi italiani, ? rd edn edited by G. Aquilecchia, reprinted with notes by G. Gentile (Florence: Sansoni, ? ? ? ? : reprt. ? ? ? ? ). The Latin works, Opera latine conscripta, were edited in Naples between ? ? ? ? and ? ? ? ? in three volumes (in eight parts) by F. Fiorentino, F. Tocco, G. Vitelli, V. Imbriani and C. M. Tallarigo. References to the Latin works are identifed as Op. lat. , with the volume, part and page number.
? viii
Introduction
? existence of such a sphere, which seemed to him merely the result of an optical illusion which made all the stars appear to be at an equal distance from the earth.
Bruno's comparison between himself and Copernicus in The Ash Wednesday Supper throws further light on this issue. Although Copernicus is ranked in the history of astronomy as being comparable to Hipparchus or Ptolemy, his real significance is thought to lie in the fact that he is a hero of human thought who was able to oppose the force of common prejudice, the vulgar Aristotelian philosophy, the apparently self-evident view that the earth was immobile in the centre of the heavens. Nevertheless, his work is presented as having crucial limitations which open the way to what will be Bruno's specific contribution. Copernicus was primarily a mathemati- cian - his interest was directed towards astronomy rather than towards nat- ural philosophy, and in this sense his work needed to be further developed. Certainly he started from a correct and significant physical presupposition, the earth's motion, but he sought only a mathematical description of the movements of the heavens. 4
In contrast, Bruno presents himself as a natural philosopher, as the one who is destined to become the authentic interpreter of Copernicus' dis- covery and is called to draw out the conclusions from it, beginning with the physical ones. The first of these, which is decisive for a correct under- standing of the others, is the infinity of the universe. In the Narratio of Georg Joachim Rheticus, which Bruno was able to read in the ? ? ? ? edition of De revolutionibus, Rheticus had described the astronomer as a blind man who has a stick to help him on his way, and this stick was mathematics. In order to accomplish the theoretical task which he sets himself, a task which lies at the limit of human ability, the astronomer needs a hand to guide him and inspiration from above. Thus in The Ash Wednesday Supper Copernicus becomes the inspired one to whom the gods have entrusted a message, the importance and significance of which he has not realized; he is like a blind fortune teller for whom Bruno acts as the authentic interpreter. The philosopher, therefore, is summoned on a metaphorical journey across the heavens to discover that the traditional crystalline spheres are only a vain fiction, that there is no upper limit to the physical world and thus no end to his journey, and that what opens out in front of him is an infinite space. The philosopher shows us that the divinity is present in us and in our planet no less than in every other heavenly body, that it is not situated
4 Dialoghi, ? ? -? . ix
? Introduction
? beyond the imaginary limit of a closed and finite universe, in a place which makes it accessible to man. 5
Bruno's reform, therefore, is not only philosophically significant but also has religious consequences. It challenges the developments of the Reformation, calls into question the truth-value of the whole of Christianity, and claims that Christ perpetrated a deceit on mankind. In the pages which follow, he compares the negative consequences which have resulted from traditional philosophy - negative consequences which are apparent to everyone - with the positive fruits, both civil and religious, which the new philosophy is producing, revitalizing all those fields of knowledge and life in which the ancients had excelled.
The consequences of this new philosophy are wide-ranging and radical because this new vision of the cosmos changes our relationship with the divinity, and this, in Bruno's eyes, transforms the very meaning of human life. He claims that this new vision will reconcile us with the divine law which governs nature, and free us from the fear of imaginary divinities, cruel and unfathomable, who look down from heavenly heights, control- ling the sublunary world in a mysterious way. Human beings believe that they are enclosed in an inferior world subject to generation and corruption, but this is a simple illusion. Within this world, as in Plato's cave, we can see only the shadows of reality which appear on its wall, the shadows of the ideas which take shape and form at the upper limit of the heavens. Bruno suggests that, on the contrary, we can now recognize the universal law which controls the perpetual becoming of all things in an infinite universe. Knowledge of this law reassures us in the face of the present and the future (about which, of course, we have only an imperfect knowledge), because it does not deny anything its existence in and of itself, but claims that everything is being ceaselessly transformed into something else.
More than any previous thinker, then, Bruno is aware of the fact that the fall of Aristotelian cosmology implies the end of traditional metaphysics. From this starting point he elaborates a philosophy which is new and orig- inal, despite drawing on views attributed to the Presocratics (the ens et unum of Parmenides, Anaxagoras' omnia in omnibus), whose voices are distorted by the fact that they are preserved only in Aristotle's refutations of their positions. Thus, in Cause, Principle and Unity,6 he sets about presenting a
5 Ibid. , ? ? -? .
6 See the critical edition of De la causa, principio e uno, edited by G. Aquilecchia (Turin: Einaudi, ? ? ? ? ).
? x
Introduction
? metaphysics which is intended to constitute a more solid foundation for the interpretation of nature and for the consequent introduction of a new ethic, capable of establishing the outlines of the renewed relationship between man and God both at the level of civil life and at the philosopher's level of contemplation. The problem which immediately arises, however, is that of specifying how this new idea of the divinity is formed and in what sense Bruno's infinite universe radically modifies the relationship between God and the world, between God and human beings.
II
To clarify these issues, we must return to Bruno's earliest works, especially to De umbris idearum (The Shadows of Ideas) (? ? ? ? ). Here he tried to elab- orate an art of memory which was based on magical foundations; and in doing this he identified the heavenly models, the exemplars of every sensi- ble reality which the human mind can know, with the images of the thirty- six heavenly deacons which tradition attributed to Teucer the Babylonian and which he borrowed from the classic text of Renaissance magic, Agrippa's De occulta philosophia. 7 In De umbris Bruno applies, in an appar- ently arbitrary way, Nicholas of Cusa's coincidence of opposites to the con- ception of the hierarchy of being which Marsilio Ficino explained in his Theologia platonica. 8 This doctrine, which is central to that work, is an attempt to define the special privilege assigned within the framework of creation to the rational soul, a genus which includes both the anima mundi (the world-soul) and the human soul. Ficino defines this privilege in cos- mological terms. In fact, in his eyes the rational soul was at the centre of the hierarchy of being, as the very link between the sensible world and the intelligible world; descending from the former, it gave life and form to the latter.
The hierarchy of being extended between two extremes, pure act and pure potency, God and prime matter, in such a way that each of the inter- mediate levels of the hierarchy presented a different relationship between act and potency. One descended down the levels of this hierarchy, starting
? 7 Cf. E. Garin, 'Le <<elezioni>> e il problema dell'astrologia,' reprinted in Garin, L'eta` nuova. Ricerche di storia della cultura dal XII al XVI (Naples: Morano, ? ? ? ? ), ? ? ? -? ? , used, especially in ch. XI, by F. A. Yates, Giordano Bruno and the Hermetic Tradition (London: Routledge and Kegan Paul, ? ? ? ? ).
8 M. Ficino, Theologia platonica, XI in Opera (Basel, ? ? ? ? ) I, ? ? ? -? . Ficino's doctrine is comprehensi- ble due to the theory of the primum in aliquo genere, according to which the last member of one genus coincides with the first member of the following genus.
xi
Introduction
? from the pure act constituted by God and eventually reaching prime mat- ter. Each step downward represented an increase in potentiality. Within this overarching hierarchy, if the sensible and the intelligible are analysed as two separate categories and if each one of them is considered as a uni- tary whole, complete in itself, it would be possible to discover something new, namely the way in which the sensible world and the intelligible world, despite being radically distinct by nature, were linked together. In the intel- ligible sphere, one descended gradually to the lowest level, which was con- stituted by the rational soul; it was purely receptive to the levels above it, and could thus be considered as pure potency in relation to them. In the sensible sphere, on the other hand, one moved up within the hierarchy of being, from prime matter, through a sequence of more complex forms of corporeal organization until one reached an absolute limit. That limit was heavenly matter, which because of its purity and spirituality could be defined by Ficino as corpus quasi non corpus (a body that is almost not a body). This kind of matter, sometimes called 'spirit' and sometimes 'ether', could be considered to be pure act in comparison with prime matter. Here it seemed as if the pure potentiality which defined prime matter was trans- formed completely into its opposite, pure actuality. In conclusion, the more the act transformed itself into potency with respect to the superior levels in the intelligible world, the more the opposite process seemed to take place in the sensible sphere and potentiality seemed to be transformed progres- sively into actuality.
Here it is important to note how this analysis underpins Ficino's doc- trine of the world-soul, which linked the corporeal and the spiritual, giv- ing life and form to the entire inferior world. Bruno saw this as an instance of Nicholas of Cusa's coincidence of opposites: two spheres were gradually losing their essential characteristics by somehow transforming themselves into one another. He also saw in doctrines of this type the theoretical basis for a distinctive kind of art of memory and the foundation for an authentic astral theology. Through these it seemed possible that man, endowed with a rational soul and a spirit to mediate between the soul and his elementary body, could link himself to that privileged cosmic point on the boundary between the sensible and the intelligible which would allow him to grasp the archetypal forms, the actual generating models of every sensible real- ity, if not in their purity, then at least in their shadows, the shadows of ideas.
As already mentioned, in The Ash Wednesday Supper the sphere of fixed stars began to lose all the functions which had been assigned to it within
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Introduction
? traditional cosmology. Each of the movements which had been attributed to it was reduced to a mere appearance generated by the motion of the earth. Bruno thus denied the very existence of such a sphere, relegating it simply to an optical illusion. The first casualty of all this was Ficino's doctrine of the hierarchy of being, which Bruno had used in De umbris, where he interpreted it in terms of the coincidence of opposites; nevertheless, in this work he still tried to interpret the role of human beings, their origin and destiny, within the traditional cosmological framework. Certainly, he remained faithful even in his new cosmology to the Platonic world-soul, understanding it as an intrin- sic principle of motion for all the celestial bodies which no longer needed any other forms of motion, and, as we shall see in Cause, he will speak of a uni- versal soul which effectively shapes and gives life to everything. However, he is not able to refrain from attacking, in De immenso (The Boundless), those 'shadows of ideas' that men had believed in, all those mysteria platonica et peripatetica (Platonic and peripatetic mysteries) which resulted from the belief in two ontologically separated spheres, the heavenly world and the sublunary world. In particular, he summarizes and rejects all the charac- teristics attributed to the spheres of fixed stars which, among other things, made it the access route from the intelligible world to the sensible world. 9
It is important, therefore, that he summarizes Ficino's doctrines of the hierarchy of being and of the meeting of the sensible and the intelligible in such minute detail in order to be able to reject them in a radical manner. 10 In the final, decisive book of the poem, he condemns both the theologian's empyrean heaven and the Platonic intelligible world, and undercuts the doctrine of spirit, conceived as an ethereal vehicle of the soul in its process of incarnation. The idea of a world of ideal moulds, of separated ideas, no longer has any meaning for him, and this rejection of a separate world of pure essences leads him to define as meaningless anything lacking a con- crete, real existence, anything which, as a result of a process of abstraction, has been unjustifiably hypostatized.
Bruno's reflective transformation of Ficino's doctrine of the meeting between the sensible and the intelligible is essential for understanding the
? 9
10
Op. lat. , I, II, ? : ' . . . prima naturae genitura, simplicissima, capacissima, potentissima, activissima, animatissima, perfectissima, causa universalis . . . cuius portae geminae . . . divinarum animarum vehiculum, idearum characteribus signata . . . nostro verenda metuendaque superincubans mundo, divinitatis potentia . . . nunc spacii et aetheris natura, et magnitudine comperta . . . e manibus, eque oculis evanescit, portentosa umbra sine corpore tandem fuisse convincitur. ' For the reference to Macrobius, cf. Op. lat. , I, II, ? ? ? .
Op. lat. , I, II, ? ? ? -? ? .
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? development of thought in Cause. If one starts from the assumption that the universe is infinite, it no longer makes sense to conceive the coincidence between act and potency as the exclusive property of a fixed point in the hierarchy of being, a privileged point in a finite and physical cosmos con- ceived as distinct from the intelligible world. Bruno therefore tries to rethink such a coincidence on the assumption that space is infinite and homogeneous, and that there are no separate hierarchical orders of being, and he does this in the light of two key concepts, that of an infinite active potency and that of an infinite passive potency, which are directly associ- ated with each other in the cosmos. On this journey, Nicholas of Cusa guides him.
