“Eratosthenes was the director of the great library of Alexandria, the Centre of science and learning in the ancient world. Aristotle had argued that humanity was divided into Greeks and everybody else, whom he called barbarians and that the Greeks should keep themselves racially pure. He thought it was fitting for the Greeks to enslave other peoples. But Eratosthenes criticized Aristotle for his blind chauvinism, he believed there was good and bad in every nation.”

— Carl Sagan

25 Min 10 Sec
Cosmos: A Personal Voyage (1990 Update), Who Speaks for Earth? [Episode 13]

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Carl Sagan 365

American astrophysicist, cosmologist, author and science ed… 1934–1996

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