Carl Sagan Quotes, Thinking Quotes, Who We Are Quotes

I think if we ever reach the point where we think we thoroughly understand who we are and where we came from, we will have failed.

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

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If we could travel into the past, it's mind-boggling what would be possible. For one thing, history would become an experimental science, which it certainly isn't today. The possible insights into our own past and nature and origins would be dazzling. For another, we would be facing the deep paradoxes of interfering with the scheme of causality that has led to our own time and ourselves. I have no idea whether it's possible, but it's certainly worth exploring.

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Tags : Carl Sagan Quotes , Past Quotes , Ideas Quotes

Indeed the reasoned criticism of a prevailing belief is a service to the proponents of that belief; if they are incapable of defending it, they are well advised to abandon it. This self-questioning and error-correcting aspect of the scientific method is its most striking property.

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As the ancient myth makers knew, we are children equally of the earth and the sky.

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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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I hold that popularization of science is successful if, at first, it does no more than spark the sense of wonder.

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Clutching our crystals and religiously consulting our horoscopes, our critical faculties in steep decline, unable to distinguish between what's true and what feels good, we slide, almost without noticing, into superstition and darkness.

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I find science so much more fascinating than science fiction. It also has the advantage of being true.

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The fact is that far more crime and child abuse has been committed by zealots in the name of God, Jesus and Mohammed than has ever been committed in the name of Satan. Many people don’t like that statement, but few can argue with it.

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Tags : Carl Sagan Quotes , Jesus Quotes , Children Quotes

There is today-in a time when old beliefs are withering-a kind of philosophical hunger, a need to know who we are and how we got here. It is an on-going search, often unconscious, for a cosmic perspective for humanity

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Tags : Carl Sagan Quotes , Philosophical Quotes , Perspective Quotes

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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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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Tags : Carl Sagan Quotes , Believe Quotes , Mars Quotes

Modern science has been a voyage into the unknown, with a lesson in humility waiting at every stop. Many passengers would rather have stayed home.

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In Italy, the Inquisition was condemning people to death until the end of the eighteenth century, and inquisitional torture was not abolished in the Catholic Church until 1816. The last bastion of support for the reality of witchcraft and the necessity of punishment has been the Christian churches.

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Who are we? We find that we live on an insignificant planet of a humdrum star lost in a galaxy tucked away in some forgotten corner of a universe in which there are far more galaxies than people.

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Tags : Carl Sagan Quotes , Stars Quotes , Science Quotes

The reappearance of the crescent moon after the new moon; the return of the Sun after a total eclipse, the rising of the Sun in the morning after its troublesome absence at night were noted by people around the world; these phenomena spoke to our ancestors of the possibility of surviving death. Up there in the skies was also a metaphor of immortality.

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The passion to explore is at the heart of being human.

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We are star stuff which has taken its destiny into its own hands.

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My deeply held belief is that if a god of anything like the traditional sort exists, our curiosity and intelligence is provided by such a God. We would be unappreciative of that gift if we suppressed our passion to explore the universe and ourselves.

5 years ago

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Tags : Carl Sagan Quotes , God Quotes , Passion Quotes