There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGANWhen we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
More Carl Sagan Quotes
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The price we pay for anticipation of the future is anxiety about it.
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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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The visions we offer our children shape the future.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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We can’t help it. Life looks for life.
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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.
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We are like butterflies who flutter for a day and think it is forever.
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Every star may be a sun to someone.
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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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The universe seems neither benign nor hostile, merely indifferent.
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Stars are phoenixes, rising from their own ashes.
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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
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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.
CARL SAGAN