Carl Sagan Quotes, Rocks Quotes, Humanity 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

The immense distances to the stars and the galaxies mean that we see everything ins pace int he past, some as they were before the Earth came to be. Telescopes are time machines.

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There are more potential combinations of DNA [physical forms] than there are atoms in the universe.

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If we can't think for ourselves, if we're unwilling to question authority, then we're just putty in the hands of those in power.

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Tags : Carl Sagan Quotes , Thinking Quotes , Hands Quotes

A tiny blue dot set in a sunbeam. Here it is. That's where we live. That's home. We humans are one species and this is our world. It is our responsibility to cherish it. Of all the worlds in our solar system, the only one so far as we know, graced by life.

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Tags : Carl Sagan Quotes , Home Quotes , Responsibility Quotes

Except in pure mathematics, nothing is known for certain (although much is certainly false).

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If we are not able to ask skeptical questions, to interrogate those who tell us that something is true, to be skeptical of those in authority, then, we are up for grabs for the next charlatan (political or religious) who comes rambling along.

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Humans are very good at dreaming, although you'd never know it from your television.

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Science is a way of thinking much more than it is a body of knowledge. Its goal is to find out how the world works, to seek what regularities there may be, to penetrate to the connections of things-from subatomic particles, which may be the constituents of all matter, to living organisms, the human social community, and thence to the cosmos as a whole.

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Tags : Carl Sagan Quotes , Science Quotes , Thinking Quotes

People are not stupid. They believe things for reasons. The last way for skeptics to get the attention of bright, curious, intelligent people is to belittle or condescend or to show arrogance toward their beliefs.

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Tags : Carl Sagan Quotes , Stupid Quotes , Believe Quotes

Much of human history can, I think, be described as a gradual and sometimes painful liberation from provincialism, the emerging awareness that there is more to the world than was generally believed by our ancestors.

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Tags : Carl Sagan Quotes , Thinking Quotes , World Quotes

We are star stuff harvesting sunlight.

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I believe that in every person is a kind of circuit which resonates to intellectual discovery-and the idea is to make that resonance work

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Tags : Carl Sagan Quotes , Believe Quotes , Science Quotes

Which aspects of our nature will prevail is uncertain, particularly when our visions and prospects are bound to one small part of the small planet Earth. But up there in the Cosmos an inescapable perspective awaits.

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Tags : Carl Sagan Quotes , Perspective Quotes , Vision Quotes

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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By looking far out into space we are also looking far back into time, back toward the horizon of the universe, back toward the epoch of the Big Bang.

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The sacred truth of science is that there are no sacred truths.

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If there is life, then I believe we should do nothing to disturb that life. Mars then, belongs to the Martians, even if they are microbes.

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The Earth is a place. It is by no means the only place. It is not even a typical place.

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Tags : Carl Sagan Quotes , Mean Quotes , Typical 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