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Quotes by Carl Sagan

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  • Anyone who's ever significantly changed the course of humanity has either been a Crackpot, a Heretic, or a Dissident. In the case of Albert Einstein, he was all three!
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  • Where we have strong emotions, we're liable to fool ourselves.
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  • I maintain there is much more wonder in science than in pseudoscience. And in addition, to whatever measure this term has any meaning, science has the additional virtue, and it is not an inconsiderable one, of being true.
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  • Science is not only compatible with spirituality; it is a profound source of spirituality.
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  • When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it.
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  • Somewhere, something incredible is waiting to be known.
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  • Think of how many religions attempt to validate themselves with prophecy. Think of how many people rely on these prophecies, however vague, however unfulfilled, to support or prop up their beliefs. Yet has there ever been a religion with the prophetic accuracy and reliability of science?
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  • Personally, I would be delighted if there were a life after death, especially if it permitted me to continue to learn about this world and others, if it gave me a chance to discover how history turns out.
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  • If we long to believe that the stars rise and set for us, that we are the reason there is a Universe, does science do us a disservice in deflating our conceits?
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  • The universe seems neither benign nor hostile, merely indifferent.
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  • If you want to make an apple pie from scratch, you must first create the universe.
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  • If you want to bake an apple pie from scratch, you must first create the Universe.
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  • A celibate clergy is an especially good idea, because it tends to suppress any hereditary propensity toward fanaticism.
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  • In order to make an apple pie from scratch, you must first create the universe.
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  • Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.
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  • The universe is not required to be in perfect harmony with human ambition.
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  • Skeptical scrutiny is the means, in both science and religion, by which deep insights can be winnowed from deep nonsense.
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  • In science it often happens that scientists say, 'You know that's a really good argument; my position is mistaken,' and then they would actually change their minds and you never hear that old view from them again. They really do it. It doesn't happen as often as it should, because scientists are human and change is sometimes painful. But it happens every day. I cannot recall the last time someting like that happened in politics or religion.
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  • But the fact that some geniuses were laughed at does not imply that all who are laughed at are geniuses. They laughed at Columbus, they laughed at Fulton, they laughed at the Wright brothers. But they also laughed at Bozo the Clown.
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  • It is of interest to note that while some dolphins are reported to have learned English -- up to fifty words used in correct context -- no human being has been reported to have learned dolphinese.
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  • All of the books in the world contain no more information than is broadcast as video in a single large American city in a single year. Not all bits have equal value.
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