There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGANPerhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
More Carl Sagan Quotes
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The visions we offer our children shape the future.
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All civilizations become either spacefaring or extinct.
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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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The only thing we’ve found that makes the emptiness bearable, is each other.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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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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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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Your god is too small for my universe.
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Somewhere, something incredible is waiting to be known.
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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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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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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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We are star stuff which has taken its destiny into its own hands.
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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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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.
CARL SAGAN