No More Learning

In view of the foregoing facts, the following Malthusian statement,
although groundless, is nevertheless an amusing example of the errors that
arise from lack of a little knowledge:

"The difficulty of providing for a high birth-rate in a settled
          was appreciated by the ancient Greeks, notably by Plato and
Aristotle; but their conclusions were swept aside by the warlike spirit
of Rome, and the sentimentality of Christianity, so that only a few
isolated thinkers showed any appreciation of them.