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"Since, in the long run, every planetary civilization will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring--not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive... If our long-term survival is at stake, we have a basic responsibility to our species to venture to other worlds."
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Exlpore more Survival quotes
"A whale has nowhere to hide in a river."
"A toothless wolf is less dangerous than a fanged insect."
"Fish are small, but do not drown in the sea. Ships are big, but sink in the ocean."
"Sometimes the very things that we're expending our lives to sustain are the very things that are killing our ability to live. And against our blind and frequently raging protests, these are the very things that God let's die so that we can live."
"Adaptation is the key to survival."
Explore more quotes by 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."
"I am often amazed at how much more capability and enthusiasm for science there is among elementary school youngsters than among college students."
"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."
"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."
"Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense."
"When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion."
"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."
"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)"
"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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