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 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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People are not stupid. They believe things for reasons.
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We are star stuff which has taken its destiny into its own hands.
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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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Somewhere, something incredible is waiting to be known.
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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
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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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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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We are all stardust.
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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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All civilizations become either spacefaring or extinct.
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The universe is not required to be in perfect harmony with human ambition.
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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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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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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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Where we have strong emotions, we’re liable to fool ourselves.
CARL SAGAN