Books permit us to voyage through time, to tap the wisdom of our ancestors.
CARL SAGANIf we ruin the earth, there is no place else to go.
More Carl Sagan Quotes
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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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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Extinction is the rule. Survival is the exception.
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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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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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Human beings have a demonstrated talent for self-deception when their emotions are stirred.
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We can’t help it. Life looks for life.
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One of the great commandments of science is: Mistrust arguments from authority.
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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.
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All civilizations become either spacefaring or extinct.
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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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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 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 price we pay for anticipation of the future is anxiety about it.
CARL SAGAN