Carl Sagan Quotes, Running Quotes, Responsibility Quotes

Since, in the long run, every planetary society will be endangered by impacts from space, every surviving civilization is obliged to become spacefaring — not because of exploratory or romantic zeal, but for the most practical reason imaginable: staying alive.

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Tags : Carl Sagan Quotes , Running Quotes , Responsibility Quotes

Science cuts two ways, of course; its products can be used for both good and evil. But there's no turning back from science. The early warnings about technological dangers also come from science.

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Tags : Carl Sagan Quotes , Cutting Quotes , Two Quotes

Science is a way of thinking much more than it is a body of knowledge.

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Tags : Carl Sagan Quotes , Knowledge Quotes , Science Quotes

Books are like seeds. They can lie dormant for centuries and then flower in the most unpromising soil.

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Tags : Carl Sagan Quotes , Lying Quotes , Flower Quotes

He didn't want to believe. He wanted to know.

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Tags : Carl Sagan Quotes , Believe Quotes , Thinking Quotes

The vast distances that separate the stars are providential. Beings and worlds are quarantined from one another. The quarantine is lifted only for those with sufficient self-knowledge and judgment to have safely traveled from star to star.

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Tags : Carl Sagan Quotes , Travel Quotes , Stars Quotes

I set before you two ways: You can use your technology to destroy yourselves or to carry you to the planets and the stars. It's up to you.

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Tags : Carl Sagan Quotes , Stars Quotes , Technology Quotes

Science arouses a soaring sense of wonder. But so does pseudoscience. Sparse and poor popularizations of science abandon ecological niches that pseudoscience promptly fills. If it were widely understood that claims to knowledge require adequate evidence before they can be accepted, there would be no room for pseudoscience.

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Tags : Carl Sagan Quotes , Doe Quotes , Pseudoscience 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

There is a reward structure in science that is very interesting: Our highest honors go to those who disprove the findings of the most revered among us. So Einstein is revered not just because he made so many fundamental contributions to science, but because he found an imperfection in the fundamental contribution of Isaac Newton.

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Tags : Carl Sagan Quotes , Science Quotes , Interesting 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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Tags : Carl Sagan Quotes , Thinking Quotes , Who We Are Quotes

Modern Darwinism makes it abundantly clear that many less ruthless traits, some not always admired by robber barons and Fuhrers - altruism, general intelligence, compassion - may be the key to survival.

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Tags : Carl Sagan Quotes , Life Quotes , Compassion Quotes

We live on a mote of dust suspended in a sunbeam

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At the extremes it is difficult to distinguish pseudoscience from rigid, doctrinaire religion.

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Tags : Carl Sagan Quotes , Atheist Quotes , Religion Quotes

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

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Tags : Carl Sagan Quotes , Mathematics Quotes , Certain Quotes

The method of science is tried and true. It is not perfect, it's just the best we have. And to abandon it, with its skeptical protocols, is the pathway to a dark age.

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Tags : Carl Sagan Quotes , Dark Quotes , Science Quotes

We have entered, almost without noticing, an age of exploration and discovery unparalleled since the Renaissance.

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Tags : Carl Sagan Quotes , Discovery Quotes , Innovation Quotes

We are made of stellar ash. Our origin and evolution have been tied to distant cosmic events. The exploration of the cosmos is a voyage of self-discovery.

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Tags : Carl Sagan Quotes , Discovery Quotes , Self 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

I don't want to believe. I want to know.

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Tags : Carl Sagan Quotes , Inspirational Quotes , Life Quotes