Imagination will often carry us to worlds that never were, but without it we go nowhere.
CARL SAGANWe live on a mote of dust suspended in a sunbeam.
More Carl Sagan Quotes
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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We are like butterflies who flutter for a day and think it is forever.
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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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Your god is too small for my universe.
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We make our world significant by the courage of our questions and the depth of our answers.
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A book is made from a tree. It is an assemblage of flat, flexible parts (still called “leaves”) imprinted with dark pigmented squiggles.
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One of the great commandments of science is: Mistrust arguments from authority.
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Other things being equal, it is better to be smart than to be stupid.
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You are worth about 3 dollars worth in chemicals.
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Don’t judge everyone else by your own limited experience.
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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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Science is not only compatible with spirituality; it is a profound source of spirituality.
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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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I don’t want to believe. I want to know.
CARL SAGAN