Carl Sagan Quotes, Giving Quotes, Hearing Quotes

In a complex universe, in a society undergoing unprecedented change, how can we find the truth if we are not willing to question everything and to give a fair hearing to everything?

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Tags : Carl Sagan Quotes , Giving Quotes , Hearing Quotes

Ask courageous questions. Do not be satisfied with superficial answers. Be open to wonder and at the same time subject all claims to knowledge, without exception, to intense skeptical scrutiny. Be aware of human fallibility. Cherish your species and your planet.

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When Kepler found his long-cherished belief did not agree with the most precise observation, he accepted the uncomfortable fact. He preferred the hard truth to his dearest illusions, that is the heart of science.

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Skeptical scrutiny is the means, in both science and religion, by which deep thoughts can be winnowed from deep nonsense.

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Not all birds can fly. What separates the flyers from the walkers is the ability to take off.

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The universe is a pretty big place. If it's just us, seems like an awful waste of space.

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Advances in medicine and agriculture have saved vastly more lives than have been lost in all the wars in history.

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When you make the finding yourself - even if you're the last person on Earth to see the light - you'll never forget it.

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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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In our time, we have sifted the sands of Mars, we have established a presence there, we have fulfilled a century of dreams!

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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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Extraordinary claims demand extraordinary evidence

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It seems madness to say, 'We're worried that they're going to become addicted to marijuana' -- there's no evidence whatever that it's an addictive drug, but even if it were, these people are dying, what are we saving them from?

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Nobody listens to mathematicians.

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The words "question" and "quest" are cognates. Only through inquiry can we discover truth.

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Tags : Carl Sagan Quotes , Truth Quotes , Inquiry Quotes

Anything else you're interested in is not going to happen if you can't breathe the air and drink the water. Don't sit this one out. Do something. You are by accident of fate alive at an absolutely critical moment in the history of our planet.

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All civilizations become either spacefaring or extinct.

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A proclivity for science is embedded deeply within us, in all times, places, and cultures. It has been the means for our survival. It is our birthright. When, through indifference, inattention, incompetence, or fear of skepticism, we discourage children from science, we are disenfranchisin g them, taking from them the tools needed to manage their future.

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The way to find out about our place in the universe is by examining the universe and by examining ourselves - without preconceptions, with as unbiased a mind as we can muster.

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Tags : Carl Sagan Quotes , Mind Quotes , Unbiased Quotes

The Bill of Rights decoupled religion from the state, in part because so many religions were steeped in an absolutist frame of mind - each convinced that it alone had a monopoly on the truth and therefore eager for the state to impose this truth on others.

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