And that’s not all—twenty years ago he would have found in that literature traces of conflict with authorities, with the creeds of the ages; he would have perceived from this conflict that there was something else; but now he comes at once upon a literature in which the old creeds do not even furnish matter for discussion, but it is stated baldly that there is nothing else—evolution, natural selection, struggle for existence—and that’s all.
There are no more uses of "natural selection" in the book.
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She argues that dreaming must serve a purpose or natural selection would have eliminated such a vulnerable state.
I was slightly stunned by this story, for I was not prepared to have an unlettered and untutored Eskimo give me a lecture, even in parable form, illustrating the theory of survival of the fittest through the agency of natural selection.