There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGANAvoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
More Carl Sagan Quotes
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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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Extraordinary claims require extraordinary evidence.
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You have to know the past to understand the present.
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To live in the hearts we leave behind is to live forever.
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The Earth is a very small stage in a vast cosmic arena.
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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.
CARL SAGAN -
Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
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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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We can’t help it. Life looks for life.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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We live on a mote of dust suspended in a sunbeam.
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The universe is not required to be in perfect harmony with human ambition.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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You are worth about 3 dollars worth in chemicals.
CARL SAGAN