Carl Sagan Quotes, Home Quotes, Responsibility 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

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

Science ... looks skeptically at all claims to knowledge, old and new. It teaches not blind obedience to those in authority but to vigorous debate, and in many respects that's the secret of its success.

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Tags : Carl Sagan Quotes , Secret Quotes , Looks Quotes

Religions are tough. Either they make no contentions which are subject to disproof or they quickly redesign doctrine after disproof. ... near the core of the religious experience is something remarkably resistant to rational inquiry.

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Tags : Carl Sagan Quotes , Religious Quotes , Science 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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The method of science, as stodgy and grumpy as it may seem, is far more important than the findings of science.

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[Science] is not perfect. It can be misused. It is only a tool. But it is by far the best tool we have, self-correcting, ongoing, applicable to everything. It has two rules. First: there are no sacred truths; all assumptions must be critically examined; arguments from authority are worthless. Second: whatever is inconsistent with the facts must be discarded or revised. ... The obvious is sometimes false; the unexpected is sometimes true.

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Tags : Carl Sagan Quotes , Science Quotes , Self Quotes

But amid much elegance and precision, the details of life and the Universe also exhibit haphazard, jury-rigged arrangements and much poor planning. What shall we make of this: an edifice abandoned early in construction by the architect?

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Tags : Carl Sagan Quotes , Details Of Life Quotes , Atheism Quotes

We can make a similar examination, but with greater uncertainty, of the extraterrestrial hypothesis that holds that a wide range of UFOs viewed on the planet Earth are space vehicles from planets of other stars.

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Tags : Carl Sagan Quotes , Stars Quotes , Space 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

Our loyalties are to the species and the planet. We speak for Earth.

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Maybe it's a little early. Maybe the time is not quite yet. But those other worlds - promising untold opportunities - beckon. Silently, they orbit the Sun, waiting.

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Tags : Carl Sagan Quotes , Opportunity Quotes , Other Worlds Quotes

I would be very ashamed of my civilization if we did not try to find out if there is life in outer space.

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In all our searching, the only thing we've found that makes the emptiness bearable is each other.

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We go about our daily lives understanding almost nothing of the world.

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What's the harm of a little mystification? It sure beats boring statistical analyses.

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Any civilization that doesn't develop space travel dies.

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We are, in a way, temporary ambulatory repositories for our nucleic acids. This does not deny our humanity; it does not prevent us from pursuing the good, the true and the beautiful. But it would be a great mistake to ignore where we have come from in our attempt to determine where we are going.

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Has there ever been a religion with the prophetic accuracy and reliability of science? . . . No other human institution comes close.

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Tags : Carl Sagan Quotes , Life Quotes , Reliability Quotes

Present global culture is a kind of arrogant newcomer. It arrives on the planetary stage following four and a half billion years of other acts, and after looking about for a few thousand years declares itself in possession of eternal truths. But in a world that is changing as fast as ours, this is a prescription for disaster. No nation, no religion, no economic system, no body of knowledge, is likely to have all the answers for our survival. There must be many social systems that would work far better than any now in existence. In the scientific tradition, our task is to find them.

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Tags : Carl Sagan Quotes , Years Quotes , Survival Quotes