All civilizations become either spacefaring or extinct.
CARL SAGANImagination will often carry us to worlds that never were, but without it we go nowhere.
More Carl Sagan Quotes
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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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The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together.
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Science is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course.
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The only thing we’ve found that makes the emptiness bearable, is each other.
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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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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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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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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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Extraordinary claims require extraordinary evidence.
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Every star may be a sun to someone.
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We are star stuff harvesting sunlight.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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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.
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Where we have strong emotions, we’re liable to fool ourselves.
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The universe is not required to be in perfect harmony with human ambition.
CARL SAGAN