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.
CARL SAGANWe make our world significant by the courage of our questions and the depth of our answers.
More Carl Sagan Quotes
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I don’t want to believe. I want to know.
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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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If you wish to make an apple pie from scratch, you must first invent the universe.
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The very act of understanding is a celebration of joining, merging, even if on a very modest scale, with the magnificence of the Cosmos.
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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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For small creatures such as we the vastness is bearable only through love.
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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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Every star may be a sun to someone.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
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Not explaining science seems to me perverse. When you’re in love, you want to tell the world.
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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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All civilizations become either spacefaring or extinct.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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Understanding is a kind of ecstasy.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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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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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
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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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Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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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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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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People are not stupid. They believe things for reasons.
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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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And you are made of a hundred trillion cells. We are, each of us, a multitude.
CARL SAGAN