Carl Sagan Quote


Carl Sagan
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Born: November 9, 1934

Died: December 20, 1996 (aged 62)

Nationality: American

Occupation: Scientist

Bio: Carl Edward Sagan was an American astronomer, astrophysicist, cosmologist, author, science popularizer, and science communicator in astronomy and natural sciences. He spent most of his career as a professor of astronomy at Cornell University where he directed the Laboratory for Planetary Studies.

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You must stick to your conviction, but be ready to abandon your assumptions.

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