All civilizations become either spacefaring or extinct.
CARL SAGANNot explaining science seems to me perverse. When you’re in love, you want to tell the world.
More Carl Sagan Quotes
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You are worth about 3 dollars worth in chemicals.
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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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Nothing disturbs me more than the glorification of stupidity.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
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An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
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One of the great commandments of science is: Mistrust arguments from authority.
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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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Somewhere, something incredible is waiting to be known.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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We make our world significant by the courage of our questions and the depth of our answers.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.
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I don’t want to believe. I want to know.
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Books break the shackles of time, proof that humans can work magic.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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Every kid starts out as a natural-born scientist, and then we beat it out of them. A few trickle through the system with their wonder and enthusiasm for science intact.
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Where we have strong emotions, we’re liable to fool 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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The 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.
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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 Earth is a very small stage in a vast cosmic arena.
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What an astonishing thing a book is.
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The price we pay for anticipation of the future is anxiety about it.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
CARL SAGAN