If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
CARL SAGANWe 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.
More Carl Sagan Quotes
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For small creatures such as we the vastness is bearable only through love.
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I don’t want to believe. I want to know.
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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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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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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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One of the great commandments of science is: Mistrust arguments from authority.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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What an astonishing thing a book is.
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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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Somewhere, something incredible is waiting to be known.
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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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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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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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Extraordinary claims require extraordinary evidence.
CARL SAGAN