Carl Sagan Quotes, Equal Quotes, Science And Technology Quotes

Not all bits have equal value.

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In the long run, the aggressive civilizations destroy themselves, almost always. It's their nature. They can't help it.

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At the extremes it is difficult to distinguish pseudoscience from rigid, doctrinaire religion.

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'In his celebrated book, 'On Liberty', the English philosopher John Stuart Mill argued that silencing an opinion is "a peculiar evil." If the opinion is right, we are robbed of the "opportunity of exchanging error for truth"; and if it's wrong, we are deprived of a deeper understanding of the truth in its "collision with error." If we know only our own side of the argument, we hardly know even that: it becomes stale, soon learned by rote, untested, a pallid and lifeless truth.'

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Tags : Carl Sagan Quotes , Truth Quotes , Book Quotes

A single message from space will show that it is possible to live through technological adolescence. . . . It is possible that the future of human civilization depends on the receipt of interstellar messages.

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Tags : Carl Sagan Quotes , Moon Quotes , Space Quotes

What a splendid perspective contact with a profoundly different civilization might provide! In a cosmic setting vast and old beyond ordinary human understanding we are a little lonely, and we ponder the ultimate significance, if any, of our tiny but exquisite blue planet, the Earth.... In the deepest sense the search for extraterrestrial intelligence is a search for ourselves.

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Tags : Carl Sagan Quotes , Lonely Quotes , Blue Quotes

The method of science is tried and true. It is not perfect, it's just the best we have. And to abandon it, with its skeptical protocols, is the pathway to a dark age.

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Since, in the long run, every planetary society 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.

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Tags : Carl Sagan Quotes , Running Quotes , Responsibility Quotes

The neurochemistry of the brain is astonishingly busy, the circuitry of a machine more wonderful than any devised by humans. But there is no evidence that its functioning is due to anything more than the 10(14) neural connections that build an elegant architecture of consciousness.

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You mustn't think of the Universe as a wilderness. It hasn't been that for billions of years," he said. "Think of it more as... ..cultivated.

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It is said that men may not be the dreams of the god, but rather that the gods are the dreams of men.

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Wisdom lies in understanding our limitations.

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For all our failings, despite our limitations and fallibilities, we humans are capable of greatness.

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I can find in my undergraduate classes, bright students who do not know that the stars rise and set at night, or even that the Sun is a star.

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When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions, that is the heart of science.

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Tags : Carl Sagan Quotes , Integrity Quotes , Heart Quotes

We are prodding, challenging, seeking contradictions or small, persistent residual errors, proposing alternative explanations, encouraging heresy. We give our highest rewards to those who convincingly disprove established beliefs.

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Tags : Carl Sagan Quotes , Errors Quotes , Giving Quotes

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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The notion that science and spirituality are somehow mutually exclusive does a disservice to both.

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Those with the courage to explore the weave and structure of the Cosmos, even where it differs profoundly from their wishes and prejudices, will penetrate its deepest mysteries.

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Tags : Carl Sagan Quotes , Wish Quotes , Prejudice Quotes

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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