Carl Sagan Quotes, Respect Quotes, Science Quotes

We are an intelligent species and the use of our intelligence quite properly gives us pleasure. In this respect the brain is like a muscle. When we think well, we feel good. Understanding is a kind of ecstasy.

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Tags : Carl Sagan Quotes , Respect Quotes , Science Quotes

Perhaps, in retrospect, there would be little motivation even for malevolent extraterrestrials to attack the Earth; perhaps, after a preliminary survey, they might decide it is more expedient just to be patient for a little while and wait for us to self-destruct.

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Tags : Carl Sagan Quotes , Motivation Quotes , Self Quotes

We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an obscure clod of rock.

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Tags : Carl Sagan Quotes , Rocks Quotes , Humanity Quotes

If our long-term survival is at stake, we have a basic responsibility to our species to venture to other worlds. Sailors on a becalmed sea, we sense the stirring of a breeze.

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Tags : Carl Sagan Quotes , Responsibility Quotes , Sea Quotes

We wish to find the truth, no matter where it lies. But to find the truth we need imagination and skepticism both. We will not be afraid to speculate, but we will be careful to distinguish speculation from fact.

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Tags : Carl Sagan Quotes , Lying Quotes , Imagination Quotes

The beauty of a living thing is not the atoms that go into it, but the way those atoms are put together. Information distilled over 4 billion years of biological evolution. Incidentally, all the organisms on the Earth are made essentially of that stuff. An eyedropper full of that liquid could be used to make a caterpillar or a petunia if only we knew how to put the components together.

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Tags : Carl Sagan Quotes , Years Quotes , Together Quotes

We have begun to contemplate our origins: starstuff pondering the stars; organized assemblages of ten billion billion billion atoms considering the evolution of atoms; tracing the long journey by which, here at least, consciousness arose.

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Tags : Carl Sagan Quotes , Stars Quotes , Journey Quotes

The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.

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Tags : Carl Sagan Quotes , Ozone Layer Quotes , Together Quotes

An atheist is someone who is certain that God does not exist, someone who has compelling evidence against the existence of God. I know of no such compelling evidence.

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Tags : Carl Sagan Quotes , Atheist Quotes , Doe Quotes

If we do not speak for Earth, who will? If we are not committed to our own survival, who will be?

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Tags : Carl Sagan Quotes , Survival Quotes , Earth Quotes

It seems madness to say, 'We're worried that they're going to become addicted to marijuana' -- there's no evidence whatever that it's an addictive drug, but even if it were, these people are dying, what are we saving them from?

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Tags : Carl Sagan Quotes , Marijuana Quotes , People Quotes

The Cosmos is all that is or ever was or ever will be.

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Tags : Carl Sagan Quotes

Cosmos is a Greek word for the order of the universe. It is, in a way, the opposite of Chaos. It implies the deep interconnectedness of all things. It conveys awe for the intricate and subtle way in which the universe is put together.

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Tags : Carl Sagan Quotes , Order Quotes , Opposites Quotes

A googolplex is precisely as far from infinity as is the number 1... no matter what number you have in mind, infinity is larger still.

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Tags : Carl Sagan Quotes , Numbers Quotes , Mind Quotes

The wind whips through the canyons of the American Southwest, and there is no one to hear it but us - a reminder of the 40,000 generations of thinking men and women who preceded us, about whom we know almost nothing, upon whom our civilization is based.

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Tags : Carl Sagan Quotes , Men Quotes , Thinking Quotes

An extraterrestrial being, newly arrived on Earth - scrutinizing what we mainly present to our children in television, radio, movies, newspapers, magazines, the comics, and many books - might easily conclude that we are intent on teaching them murder, rape, cruelty, superstition, credulity, and consumerism. We keep at it, and through constant repetition many of them finally get it.

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Tags : Carl Sagan Quotes , Children Quotes , Book Quotes

While our behavior is still significantly controlled by our genetic inheritance, we have, through our brains, a much richer opportunity to blaze new behavioral and cultural pathways on short timescales.

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Tags : Carl Sagan Quotes , Science Quotes , Opportunity Quotes

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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Tags : Carl Sagan Quotes , War Quotes , Earth Quotes

Whatever the reason you're on Mars, I'm glad you're there, and I wish I was with you.

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Tags : Carl Sagan Quotes , Wish Quotes , Mars Quotes

War is murder writ large.

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Tags : Carl Sagan Quotes , War Quotes