If I finish a book a week, I will read only a few thousand books in my lifetime, about a tenth of a percent of the contents of the greatest libraries of our time. The trick is to know which books to read.
CARL SAGANThere are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
More Carl Sagan Quotes
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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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Every star may be a sun to someone.
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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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Books break the shackles of time, proof that humans can work magic.
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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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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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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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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
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Stars are phoenixes, rising from their own ashes.
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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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All civilizations become either spacefaring or extinct.
CARL SAGAN