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

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Where did God come from? If we decide this is an unanswerable question why not save a step and conclude that the origin of the universe is an unanswerable question.

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Tags : Carl Sagan Quotes , Religion Quotes , Why Not Quotes

We can make a similar examination, but with greater uncertainty, of the extraterrestrial hypothesis that holds that a wide range of UFOs viewed on the planet Earth are space vehicles from planets of other stars.

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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.

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We were wanderers from the beginning.

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An organism at war with itself is doomed.

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The Apollo pictures of the whole Earth conveyed to multitudes something well known to astronomers: On the scale of the worlds - to say nothing of stars or galaxies - humans are inconsequential, a thin film of life on an obscure and solitary lump of rock and metal

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Life is but a momentary glimpse of the wonder of this astonishing universe, and it is sad to see so many dreaming it away on spiritual fantasy.

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Organic as a dandelion seed, [the ship of our imagination] will carry us to worlds of dreams and worlds of facts

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If we are merely matter intricately assembled, is this really demeaning? If there's nothing here but atoms, does that make us less or does that make matter more?

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Tags : Carl Sagan Quotes , Doe Quotes , Atoms Quotes

We are the universe experiencing itself.

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Our ancestors worshipped the Sun, and they were not that foolish. It makes sense to revere the Sun and the stars, for we are their children.

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We humans look rather different from a tree. Without a doubt we perceive the world differently than a tree does. But down deep, at the molecular heart of life, the trees and we are essentially identical.

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Tags : Carl Sagan Quotes , Heart Quotes , Tree Quotes

Imagine we could accelerate continuously at 1 g-what we're comfortable with on good old terra firma-to the midpoint of our voyage, and decelerate continuously at 1 g until we arrive at our destination. It would take a day to get to Mars, a week and a half to Pluto, a year to the Oort Cloud, and a few years to the nearest stars.

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Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.

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The uniqueness of humans has been claimed on many grounds, but most often because of our tool-making, culture, language, reason and morality. We have them, the other animals don't, and -- so the argument goes -- that's that.

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The size and age of the Cosmos are beyond ordinary human understanding. Lost somewhere between immensity and eternity is our tiny planetary home.

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Extraordinary claim requires extraordinary proof.

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All inquires carry with them some element of risk. There is no guarantee that the universe will conform to our predispositions.

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Tags : Carl Sagan Quotes , Guarantees That Quotes , Risk Quotes