May we not suspect that the vague but very real fears of children, which are quite independent of experience, are the inherited effects of real dangers and abject superstitions during ancient savage times?
Charles DarwinIt is scarcely possible to doubt that the love of man has become instinctive in the dog.
Charles DarwinI was a young man with uninformed ideas. I threw out queries, suggestions, wondering all the time over everything; and to my astonishment the ideas took like wildfire. People made a religion of them.
Charles DarwinOn the theory of natural selection we can clearly understand the full meaning of that old canon in natural history, โNatura non facit saltum.โ This canon, if we look only to the present inhabitants of the world, is not strictly correct, but if we include all those of past times, it must by my theory be strictly true.
Charles Darwin