Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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We are star stuff harvesting sunlight.
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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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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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Nothing disturbs me more than the glorification of stupidity.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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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.
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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 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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The Earth is the only world known so far to harbor life.
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Understanding is a kind of ecstasy.
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You are worth about 3 dollars worth in chemicals.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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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.
CARL SAGAN