Carl Sagan Quotes, Integrity Quotes, Heart Quotes

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

Science is a way to call the bluff of those who only pretend to knowledge. It is a bulwark against mysticism, against superstition, against religion misapplied to where it has no business being.

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Tags : Carl Sagan Quotes , Superstitions Quotes , Way Quotes

[S]cience has itself become a kind of religion.

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Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.

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I believe that the extraordinary should be pursued. But extraordinary claims require extraordinary evidence.

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The gears of poverty, ignorance, hopelessness and low self-esteem interact to create a kind of perpetual failure machine that grinds down dreams from generation to generation. We all bear the cost of keeping it running. Illiteracy is its linchpin.

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Tags : Carl Sagan Quotes , Running Quotes , Dream Quotes

We've tended in our cosmologies to make things familiar. Despite all our best efforts, we've not been very inventive. In the West, Heaven is placid and fluffy, and Hell is like the inside of a volcano. In many stories, both realms are governed by dominance hierarchies headed by gods or devils. Monotheists talked about the king of kings. In every culture we imagined something like our own political system running the Universe. Few found the similarity suspicious.

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Ask courageous questions. Do not be satisfied with superficial answers.

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To live in the hearts of others is to never die in those we leave behind.

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We should be teaching our children the scientific method and the reasons for a Bill of Rights. With it comes a certain decency, humility and community spirit.

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Clutching our crystals and religiously consulting our horoscopes, our critical faculties in steep decline, unable to distinguish between what's true and what feels good, we slide, almost without noticing, into superstition and darkness.

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Tags : Carl Sagan Quotes , Feel Good Quotes , Darkness Quotes

The difference between physics and metaphysics is not that the practitioners of one are smarter than the practitioners of the other. The difference is that the metaphysicist has no laboratory.

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Tags : Carl Sagan Quotes , Differences Quotes , Physics Quotes

History is full of people who out of fear, or ignorance, or lust for power has destroyed knowledge of immeasurable value which truly belongs to us all. We must not let it happen again.

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Human history can be viewed as a slowly dawning awareness that we are members of a larger group.

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A new consciousness is developing which sees the earth as a single organism and recognizes that an organism at war with itself is doomed. We are one planet.

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You are worth about 3 dollars worth in chemicals.

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Any civilization that doesn't develop space travel dies.

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I'd like the [Cosmos] series to be so visually stimulating that somebody who isn't even interested in the concepts will just watch for the effects. And I'd like people who are prepared to do some thinking to be really stimulated.

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We are, in the most profound sense, children of the Cosmos.

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At a few hundred kilometers altitude, the Earth fills half your sky, and the band of blue that stretches from Mindanao to Bombay, which your eye encompasses in a single glance, can break your heart with its beauty. Home you think. Home. This is my world. This is where I come from. Everyone I know, everyone I ever heard of, grew up down there, under that relentless and exquisite blue.

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Tags : Carl Sagan Quotes , Home Quotes , Heart Quotes