Carl Sagan Quotes, Ozone Layer Quotes, Together Quotes

The hole in the ozone layer is a kind of skywriting. At first it seemed to spell out our continuing complacency before a witch's brew of deadly perils. But perhaps it really tells of a newfound talent to work together to protect the global environment.

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Tags : Carl Sagan Quotes , Ozone Layer Quotes , Together Quotes

There are no forbidden questions in science, no matters too sensitive or delicate to be probed, no sacred truths.

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Tags : Carl Sagan Quotes , Matter Quotes , Sacred Quotes

Arguments from authority carry little weight – authorities have made mistakes in the past. They will do so again in the future. Perhaps a better way to say it is that in science there are no authorities; at most, there are experts.

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Tags : Carl Sagan Quotes , Mistake Quotes , Past Quotes

Who is more humble? The scientist who looks at the universe with an open mind and accepts whatever the universe has to teach us, or somebody who says everything in this book must be considered the literal truth and never mind the fallibility of all the human beings involved?

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Tags : Carl Sagan Quotes , Inspirational Quotes , Life Quotes

Too much openness and you accept every notion, idea, and hypothesis-which is tantamount to knowing nothing. Too much skepticism-especially rejection of new ideas before they are adequately tested-and you're not only unpleasantly grumpy, but also closed to the advance of science. A judicious mix is what we need.

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Tags : Carl Sagan Quotes , Knowledge Quotes , Acceptance Quotes

we make our world significant by the courage of our questions and the depth of our answers

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Tags : Carl Sagan Quotes , Patience Quotes , Our World Quotes

Many religions have attempted to make statues of their gods very large, and the idea, I suppose, is to make us feel small. But if that's their purpose, they can keep their paltry icons. We need only look up if we wish to feel small.

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Tags : Carl Sagan Quotes , Ideas Quotes , Icons Quotes

The nitrogen in our DNA, the calcium in our teeth, the iron in our blood, the carbon in our apple pies were made in the interiors of collapsing stars. We are made of starstuff.

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Tags : Carl Sagan Quotes , Stars Quotes , Iron Quotes

In Mozambique, the story goes, monkeys do not talk, because they know if they utter even a single word some man will come and put them to work.

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Tags : Carl Sagan Quotes , Men Quotes , Mozambique Quotes

The lifetime of a human being is measured by decades, the lifetime of the Sun is a hundred million times longer. Compared to a star, we are like mayflies, fleeting ephemeral creatures who live out their lives in the course of a single day.

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Tags : Carl Sagan Quotes , Stars Quotes , Fleeting 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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Tags : Carl Sagan Quotes , Morning Quotes , Sunset Quotes

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

The cannabis experience has greatly improved my appreciation for art, a subject which I had never much appreciated before.

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Tags : Carl Sagan Quotes , Appreciation Quotes , Art Quotes

The absence of evidence is not the evidence of absence.

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If you are only skeptical, then no new ideas make it through to you.

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If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.

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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

Where we have strong emotions, we're liable to fool ourselves.

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Tags : Carl Sagan Quotes , Happiness Quotes , Strong Quotes

The universe forces those who live in it to understand it.

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Tags : Carl Sagan Quotes , Force Quotes , Regularity Quotes

After I give lectures-on almost any subject-I am often asked, "Do you believe in UFOs?" I'm always struck by how the question is phrased, the suggestion that this is a matter of belief and not evidence. I'm almost never asked, "How good is the evidence that UFOs are alien spaceships?"

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Tags : Carl Sagan Quotes , Believe Quotes , Giving Quotes