Carl Sagan Quotes, Smart Quotes, Animal Quotes

If chimpanzees have consciousness, if they are capable of abstractions, do they not have what until now has been described as 'human rights'? How smart does a chimp have to be before killing him constitutes murder?

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Tags : Carl Sagan Quotes , Smart Quotes , Animal Quotes

If the constellations had been named in the twentieth century, I suppose we would see bicycles and refrigerators in the sky.

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Tags : Carl Sagan Quotes , Century Quotes , Biking 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

The Hindu religion is the only of the World's great faiths dedicated to the idea that the Cosmos itself undergoes an immense, indeed an infinite, number of deaths and rebirths.

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Tags : Carl Sagan Quotes , Ideas Quotes , Numbers Quotes

Science is not only compatible with spirituality; it is a profound source of spirituality.

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Tags : Carl Sagan Quotes , God Quotes , Spiritual Quotes

Any civilization that doesn't develop space travel dies.

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Tags : Carl Sagan Quotes , Civilization Quotes , Space Quotes

The universe seems neither benign nor hostile, merely indifferent.

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Tags : Carl Sagan Quotes , Cosmos Quotes , Existentialism Quotes

After I give lectures-on almost any subject-I am often asked, "Do you believe in UFOs?" I'm always struck by how the question is phrased, the suggestion that this is a matter of belief and not evidence. I'm almost never asked, "How good is the evidence that UFOs are alien spaceships?"

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Tags : Carl Sagan Quotes , Believe Quotes , Giving Quotes

For all I know we may be visited by a different extraterrestrial civilization every second Tuesday, but there's no support for this appealing idea. The extraordinary claims are not supported by extraordinary evidence.

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Tags : Carl Sagan Quotes , Civilization Quotes , Ideas Quotes

Science is not perfect. It's often misused; it's only a tool, but it's the best tool we have. Self-correcting , ever changing, applicable to everything: with this tool, we vanquish the impossible.

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Tags : Carl Sagan Quotes , Self Quotes , Perfect Quotes

Every cell is a triumph of natural selection, and we’re made of trillions of cells. Within us, is a little universe.

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Tags : Carl Sagan Quotes , Cells Quotes , Triumph Quotes

The surface of the Earth is the shore of the cosmic ocean. From it we have learned most of what we know. Recently, we have waded a little out to sea, enough to dampen our toes or, at most, wet our ankles. The water seems inviting. The ocean calls.

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Tags : Carl Sagan Quotes , Ocean Quotes , Sea Quotes

Religions are often state-protected nurseries of pseudoscience, although there's no reason why religions have to play that role. In a way, it's an artefact from times long gone.

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Tags : Carl Sagan Quotes , Play Quotes , Nurse Quotes

Discussing the possibilities of extraterrestrial life: I would love it even if they were short, sullen, grumpy and sexually obsessed. But there just isn't any good evidence.

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Tags : Carl Sagan Quotes , Life Quotes , Sullen Quotes

Absolute certainty will always elude us. We will always be mired in error. The most each generation can hope for is to reduce the error. . . .

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Tags : Carl Sagan Quotes , Errors Quotes , Elude Us Quotes

The suppression of uncomfortable ideas may be common in religion or in politics, but it is not the path to knowledge; it has no in the endeavor of science. We do not know in advance who will discover fundamental insights.

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Tags : Carl Sagan Quotes , Knowledge Quotes , Science Quotes

The significance of our lives and our fragile planet is then determined only by our own wisdom and courage. We are the custodians of life's meaning. We long for a Parent to care for us, to forgive us our errors, to save us from our childish mistakes. But knowledge is preferable to ignorance. Better by far to embrace the hard truth than a reassuring fable. If we crave some cosmic purpose, then let us find ourselves a worthy goal.

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Tags : Carl Sagan Quotes , Mistake Quotes , Ignorance Quotes

What a marvelous cooperative arrangement - plants and animals each inhaling each other's exhalations, a kind of planet-wide mutual mouth-to-stoma resuscitation, the entire elegant cycle powered by a star 150 million kilometers away.

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Tags : Carl Sagan Quotes , Stars Quotes , Animal Quotes

We are star stuff harvesting sunlight.

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Tags : Carl Sagan Quotes , Stars Quotes , Stuff Quotes

It is all a matter of time scale. An event that would be unthinkable in a hundred years may be inevitable in a hundred million.

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Tags : Carl Sagan Quotes , Years Quotes , May Quotes