Carl Sagan Quotes, Stars Quotes, Blood Quotes

All of the rocky and metallic material we stand on, the iron in our blood, the calcium in our teeth, the carbon in our genes were produced billions of years ago in the interior of a red giant star. We are made of star stuff.

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Tags : Carl Sagan Quotes , Stars Quotes , Blood Quotes

We are made of star stuff. For the most part, atoms heavier than hydrogen were created in the interiors of stars and then expelled into space to be incorporated into later stars. The Sun is probably a third generation star.

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The cure for a fallacious argument is a better argument, not the suppression of ideas.

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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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Science is merely an extremely powerful method of winnowing what's true from what feels good.

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Our children long for realistic maps of the future that they can be proud of. Where are the cartographers of human purpose?

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we make our world significant by the courage of our questions and the depth of our answers

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Tags : Carl Sagan Quotes , Patience Quotes , Our World Quotes

We are the children equally of the Sky and the Earth.

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We are the custodians of life's meaning.

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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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Tags : Carl Sagan Quotes , Brain Quotes , Connections Quotes

Our planet is a lonely speck in the great enveloping cosmic dark. In our obscurity, in all this vastness, there is no hint that help will come from elsewhere to save us from ourselves.

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Tags : Carl Sagan Quotes , Lonely Quotes , Dark Quotes

We invest far off places with a certain romance... Long summers, mild winters, rich harvests, plentiful game; none of them lasts for ever. Your own life, or your bands, or even your species - might be owed to a restless few, drawn by a craving they can hardly articulate or understand, to undiscovered lands, and new worlds.

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Tags : Carl Sagan Quotes , Summer Quotes , Winter Quotes

That we can now think of no mechanism for astrology is relevant but unconvincing. No mechanism was known, for example, for continental drift when it was proposed by Wegener. Nevertheless, we see that Wegener was right, and those who objected on the grounds of unavailable mechanism were wrong.

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Tags : Carl Sagan Quotes , Thinking Quotes , Astrology Quotes

If we say that God has always been, why not save a step and conclude that the universe has always been?

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Those who seek power at any price detect a societal weakness, a fear that they can ride into office.

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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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Tags : Carl Sagan Quotes , Running Quotes , Civilization Quotes

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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Tags : Carl Sagan Quotes , Thinking Quotes , Years Quotes

When you realize that no one really knows what they are doing and that everyone is doing the best they can according to their own level of consciousness, life gets a lot easier. Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

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What an astonishing thing a book is.

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It goes with a courageous intent to greet the universe as it really is, not to foist our emotional predispositions on it but to courageously accept what our explorations tell us.

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Tags : Carl Sagan Quotes , Emotional Quotes , Courageous Quotes