"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."

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I seem to be a brief light that flashes but once in all the aeons of time a rare, complicated, and all-too-delicate organism on the fringe of biological evolution , where the wave of life bursts into individual, sparkling, and multicolored drops that gleam for a moment... only to vanish forever.

— Alan Watts