The absence of evidence is not evidence of absence.
CARL SAGANWhere we have strong emotions, we’re liable to fool ourselves.
More Carl Sagan Quotes
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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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I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
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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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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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The cure for a fallacious argument is a better argument, not the suppression of ideas.
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Nature is unsentimental. Death is built in.
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We are like butterflies who flutter for a day and think it is forever.
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Our ancestors lived out of doors. They were as familiar with the night sky as most of us are with our favorite television programs.
CARL SAGAN -
The price we pay for anticipation of the future is anxiety about it.
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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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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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Somewhere, something incredible is waiting to be known.
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Across the sea of space, the stars are other suns.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
CARL SAGAN