Carl Sagan Quotes, Greek Quotes, Humanity Quotes

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 Erathosthenes criticized Aristotle for his blind chauvinism, he believed there was good and bad in every nation.

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Tags : Carl Sagan Quotes , Greek Quotes , Humanity Quotes

In all our searching, the only thing we've found that makes the emptiness bearable is each other.

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Nobody listens to mathematicians.

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Has there ever been a religion with the prophetic accuracy and reliability of science? . . . No other human institution comes close.

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Tags : Carl Sagan Quotes , Life Quotes , Reliability Quotes

There are in fact 100 billion galaxies, each of which contain something like a 100 billion stars. Think of how many stars, and planets, and kinds of life there may be in this vast and awesome universe.

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If we ruin the earth, there is no place else to go

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Cleverly designed experiments are the key.

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We are a way of the universe knowing itself.

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We were wanderers from the beginning.

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Extinction is the rule. Survival is the exception.

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Tags : Carl Sagan Quotes , Nature Quotes , Mass Extinction Quotes

You mustn't think of the Universe as a wilderness. It hasn't been that for billions of years," he said. "Think of it more as... ..cultivated.

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Tags : Carl Sagan Quotes , Thinking Quotes , Years Quotes

For all I know we may be visited by a different extraterrestrial civilization every second Tuesday, but there's no support for this appealing idea. The extraordinary claims are not supported by extraordinary evidence.

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Tags : Carl Sagan Quotes , Civilization Quotes , Ideas Quotes