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 SAGANThe price we pay for anticipation of the future is anxiety about it.
More Carl Sagan Quotes
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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We all have a thirst for wonder. It’s a deeply human quality. Science and religion are both bound up with it.
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The Earth is the only world known so far to harbor life.
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Science is a way to not fool ourselves.
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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The universe seems neither benign nor hostile, merely indifferent.
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Understanding is a kind of ecstasy.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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The Earth is a very small stage in a vast cosmic arena.
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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.
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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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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
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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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There are as many atoms in one molecule of DNA as there are stars in a typical galaxy.
CARL SAGAN