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Quote by Carl Sagan

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Dragons of Eden: Speculations on the Evolution of Human Intelligence

This book delves into the theory that dragons played a significant role in the development of human intelligence. It examines the evolutionary path that led to modern human cognition and speculates on the influence of ancient creatures on human evolution. more

Author

Carl Sagan
Carl Sagan

Carl Sagan was an American astronomer, cosmologist, author, and science communicator, born on November 9, 1934, in Brooklyn, New York. He is renowned for his profound research into the cosmos and his dedication to popularizing science. Sagan proposed numerous theories about the origin of the universe and life, and he made complex scientific knowledge accessible to the public with his unique perspective and clear, engaging writing style. more

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“In any given moment, a man's growth is optimized if he leans just beyond his edge, his capacity, his fear. He should not be too lazy, happily stagnating in the zone of security and comfort. Nor should he push far beyond his edge, stressing himself unnecessarily, unable to metabolize his experience. He should lean just slightly beyond the edge of fear and discomfort. Constantly. In everything he does.”