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Carl Sagan

"Everything not forbidden by the laws of nature, he assured her - quoting a colleague down the hall - is mandatory."

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"Everything not forbidden by the laws of nature, he assured her - quoting a colleague down the hall - is mandatory."

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Amber Hurdle

"Rationality and common sense never goes out of fashion."

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Amber Hurdle

"Apriority creates ambiguities among ideas."

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Amber Hurdle

"If you write a line of zeroes, it s still nothing."

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Amber Hurdle

"You can't skip over nature by logic. Logic presupposes three possibilities, but there are millions! Cut away a million, and reduce it all to the question of comfort! That's the easiest solution to the problem!"

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Amber Hurdle

"Sometimes a cigar is just a smoke and a coincidence is just a coincidence."

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Amber Hurdle

"Very little is needed for everything to be upset and ruined, only a slight lapse in reason."

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Amber Hurdle

"Pattern Thinking is a type of problem-solving thinking."

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Amber Hurdle

"Very clever but dumb at shoothing... dumb as a person but clever at shooting. That's LOGIC!"

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Amber Hurdle

"Rejecting God's truth b/c of mankind's hypocrisy is like rejecting mathematical truth b/c mankind's incompetence."

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Amber Hurdle

"She hated anyone who clung to the supernatural when the natural was perfectly serviceable."

Explore more quotes by Carl Sagan

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Carl Sagan
"Religions are often state-protected nurseries of pseudoscience, although there's no reason why religions have to play that role. In a way, it's an artefact from times long gone."
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Carl Sagan
"I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students."
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Carl Sagan
"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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Carl Sagan
"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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Carl Sagan
"Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense."
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Carl Sagan
"When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion."
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Carl Sagan
"Observation: I can't see a thing.Conclusion: Dinosaurs."
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Carl Sagan
"Pliny suggested that the ostrich, then newly discovered, was the result of a cross between a giraffe and a gnat. (It would, I suppose, have to be a female giraffe and a male gnat.) In practice there must be many such crosses which have not beenattempted because of a certain understandable lack of motivation."
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Carl Sagan
"The school systems, it seems to me have a attitude of discouragement of asking fundamental questions, if a 5 or 6 year old asks why the moon is round or why the grass is green? The usual adult answer, at least in my experience is to discourage the child.what color did you expect the moon to be? square? what color you expect the grass to be?blue?Instead of saying that those are interesting questions and lets try to find the answers or maybe nobody knows the answers and when you grow up you would be able to discover the answers.It would be very healthy for human species if we could have less discouragement and more scientists. - Carl Sagan (In an interview with Magnus Magnusson, 1988)"
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Carl Sagan
"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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