The price we pay for anticipation of the future is anxiety about it.
CARL SAGANExtraordinary claims require extraordinary evidence.
More Carl Sagan Quotes
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We are a way for the cosmos to know itself.
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One of the great commandments of science is: Mistrust arguments from authority.
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To live in the hearts we leave behind is to live forever.
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Stars are phoenixes, rising from their own ashes.
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Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.
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Be grateful everyday for the brief but magnificent opportunity that life provides.
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We are star stuff which has taken its destiny into its own hands.
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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 universe seems neither benign nor hostile, merely indifferent.
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Nothing disturbs me more than the glorification of stupidity.
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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 always more subtle, more intricate, more elegant than what we are able to imagine.
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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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Writing is the greatest of human inventions, binding together people, citizens of distant epochs, who never knew one another.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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We are all stardust.
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Better the hard truth, I say, than the comforting fantasy.
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You are worth about 3 dollars worth in chemicals.
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And you are made of a hundred trillion cells. We are, each of us, a multitude.
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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.
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Extinction is the rule. Survival is the exception.
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There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
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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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We make our world significant by the courage of our questions and the depth of our answers.
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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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Science is a way of thinking much more than it is a body of knowledge.
CARL SAGAN