We make our world significant by the courage of our questions and the depth of our answers.
CARL SAGANOur ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
More Carl Sagan Quotes
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All civilizations become either spacefaring or extinct.
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Don’t judge everyone else by your own limited experience.
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You have to know the past to understand the present.
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The only thing we’ve found that makes the emptiness bearable, is each other.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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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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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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Our species needs, and deserves, a citizenry with minds wide awake and a basic understanding of how the world works.
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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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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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If you wish to make an apple pie from scratch, you must first invent the universe.
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Nature is unsentimental. Death is built in.
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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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We are like butterflies who flutter for a day and think it is forever.
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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.
CARL SAGAN