Gullibility kills.

Carl Sagan in The Demon-Haunted World: Science as a Candle in the Dark (1995)
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I don't want to believe. I want to know.

quote by Carl Sagan
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An organism at war with itself is doomed.

quote by Carl Sagan
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We are a way for the cosmos to know itself.

quote by Carl Sagan
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Science is only a Latin word for knowledge.

Carl Sagan in The Varieties of Scientific Experience: A Personal View of the Search for God
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Across the sea of space, the stars are other suns.

quote by Carl Sagan
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Extinction is the rule. Survival is the exception.

quote by Carl Sagan
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The visions we offer our children shape the future.

quote by Carl Sagan
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The visions we offer our children shape the future.

quote by Carl Sagan
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If we ruin the earth, there is no place else to go.

Carl Sagan in Cosmos
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