There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.
CARL SAGANHuman beings have a demonstrated talent for self-deception when their emotions are stirred.
More Carl Sagan Quotes
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Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
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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 universe is not required to be in perfect harmony with human ambition.
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A galaxy is composed of gas and dust and stars – billions upon billions of stars. Every star may be a sun to someone.
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I don’t want to believe. I want to know.
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The truth may be puzzling. It may take some work to grapple with. It may be counterintuitive. It may contradict deeply held prejudices. It may not be consonant with what we desperately want to be true. But our preferences do not determine what’s true.
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Where we have strong emotions, we’re liable to fool ourselves.
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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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Arguments from authority carry little weight, authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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The only thing we’ve found that makes the emptiness bearable, is each other.
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Somewhere, something incredible is waiting to be known.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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One of the great commandments of science is: Mistrust arguments from authority.
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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.
CARL SAGAN