Human beings have a demonstrated talent for self-deception when their emotions are stirred.
CARL SAGANThere are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
More Carl Sagan Quotes
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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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All civilizations become either spacefaring or extinct.
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We live on a mote of dust suspended in a sunbeam.
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I would suggest that science is, at least in my part, informed worship.
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Extraordinary claims require extraordinary evidence.
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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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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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Science is an attempt, largely successful, to understand the world, to get a grip on things, to get hold of ourselves, to steer a safe course.
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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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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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Science is a way to not fool ourselves.
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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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For small creatures such as we the vastness is bearable only through love.
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Books break the shackles of time, proof that humans can work magic.
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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.
CARL SAGAN