We are the product of 4.5 billion years of fortuitous, slow biological…

Carl Sagan
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We are the product of 4.5 billion years of fortuitous, slow biological evolution. There is no reason to think that the evolutionary process has stopped. Man is a transitional animal. He is not the climax of creation. ✨ Carl Sagan (1973). Carl Sagan's Cosmic Connection: An Extraterrestrial Perspective, p.5, Cambridge University Press
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