Nature is unsentimental. Death is built in.
CARL SAGANThe 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.
More Carl Sagan Quotes
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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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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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Across the sea of space, the stars are other suns.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
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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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Better the hard truth, I say, than the comforting fantasy.
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The universe is not required to be in perfect harmony with human ambition.
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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 cure for a fallacious argument is a better argument, not the suppression of ideas.
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We are a way for the cosmos to know itself.
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We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an obscure clod of rock.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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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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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
CARL SAGAN