You have to know the past to understand the present.
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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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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If we ruin the earth, there is no place else to go.
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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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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 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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I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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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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You are worth about 3 dollars worth in chemicals.
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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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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
CARL SAGAN