Extraordinary claims require extraordinary evidence.
CARL SAGAN
People are not stupid. They believe things for reasons.
More Carl Sagan Quotes
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Extraordinary claims require extraordinary evidence.
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The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.
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The price we pay for anticipation of the future is anxiety about it.
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The universe is not required to be in perfect harmony with human ambition.
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All civilizations become either spacefaring or extinct.
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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
CARL SAGAN