All civilizations become either spacefaring or extinct.
CARL SAGANIf you wish to make an apple pie from scratch, you must first invent the universe.
More Carl Sagan Quotes
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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 brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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We live on a mote of dust suspended in a sunbeam.
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The visions we offer our children shape the future.
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I would suggest that science is, at least in my part, informed worship.
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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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We are star stuff which has taken its destiny into its own hands.
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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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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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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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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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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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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
CARL SAGAN