If you wish to make an apple pie from scratch, you must first invent the universe.
CARL SAGANOur species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
More Carl Sagan Quotes
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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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Extraordinary claims require extraordinary evidence.
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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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Imagination will often carry us to worlds that never were, but without it we go nowhere.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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The only thing we’ve found that makes the emptiness bearable, is each other.
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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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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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I would suggest that science is, at least in my part, informed worship.
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We live on a mote of dust suspended in a sunbeam.
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We are star stuff harvesting sunlight.
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Nothing disturbs me more than the glorification of stupidity.
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We are star stuff which has taken its destiny into its own hands.
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Somewhere, something incredible is waiting to be known.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
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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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Across the sea of space, the stars are other suns.
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Understanding is a kind of ecstasy.
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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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The significance of our lives and our fragile planet is then determined only by our own wisdom and courage.
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Every star may be a sun to someone.
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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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The universe is not required to be in perfect harmony with human ambition.
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What an astonishing thing a book is.
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An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
CARL SAGAN