The absence of evidence is not evidence of absence.
CARL SAGANA galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
More Carl Sagan Quotes
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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
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One of the greatest gifts adults can give – to their offspring and to their society – is to read to children.
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Extraordinary claims require extraordinary evidence.
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Perhaps the depth of love can be calibrated by the number of different selves that are actively involved in a given relationship.
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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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Every star may be a sun to someone.
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Other things being equal, it is better to be smart than to be stupid.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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Don’t judge everyone else by your own limited experience.
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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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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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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.
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Any faith that admires truth, that strives to know God, must be brave enough to accommodate the universe.
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Understanding is a kind of ecstasy.
CARL SAGAN