Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
CARL SAGANThe universe is not required to be in perfect harmony with human ambition.
More Carl Sagan Quotes
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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
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Across the sea of space, the stars are other suns.
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Extraordinary claims require extraordinary evidence.
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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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One of the great commandments of science is: Mistrust arguments from authority.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
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People are not stupid. They believe things for reasons.
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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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To live in the hearts we leave behind is to live forever.
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The Earth is the only world known so far to harbor life.
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All civilizations become either spacefaring or extinct.
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The only thing we’ve found that makes the emptiness bearable, is each other.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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You are worth about 3 dollars worth in chemicals.
CARL SAGAN