The absence of evidence is not evidence of absence.
CARL SAGANExtraordinary claims require extraordinary evidence.
More Carl Sagan Quotes
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
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Extraordinary claims require extraordinary evidence.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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We make our world significant by the courage of our questions and the depth of our answers.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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Better the hard truth, I say, than the comforting fantasy.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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People are not stupid. They believe things for reasons.
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We are star stuff which has taken its destiny into its own hands.
CARL SAGAN