One of the great commandments of science is: Mistrust arguments from authority.
CARL SAGANStars are phoenixes, rising from their own ashes.
More Carl Sagan Quotes
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You have to know the past to understand the present.
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Where we have strong emotions, we’re liable to fool ourselves.
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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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Understanding is a kind of ecstasy.
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Better the hard truth, I say, than the comforting fantasy.
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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 total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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All civilizations become either spacefaring or extinct.
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The visions we offer our children shape the future.
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We are star stuff harvesting sunlight.
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The absence of evidence is not evidence of absence.
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The universe is a pretty big place. If it’s just us, seems like an awful waste of space.
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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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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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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.
CARL SAGAN