The price we pay for anticipation of the future is anxiety about it.
CARL SAGANImagination will often carry us to worlds that never were, but without it we go nowhere.
More Carl Sagan Quotes
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Avoidable human misery is more often caused not so much by stupidity as by ignorance, particularly our ignorance about ourselves.
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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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Extraordinary claims require extraordinary evidence.
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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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For me, it is far better to grasp the Universe as it really is than to persist in delusion, however satisfying and reassuring.
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The Earth is a very small stage in a vast cosmic arena.
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We live in a society exquisitely dependent on science and technology, in which hardly anyone knows anything about science and technology.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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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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Exploration is in our nature. We began as wanderers, and we are wanderers still. We have lingered long enough on the shores of the cosmic ocean. We are ready at last to set sail for the stars.
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Science is a way of thinking much more than it is a body of knowledge.
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The brain is like a muscle. When it is in use we feel very good. Understanding is joyous.
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Somewhere, something incredible is waiting to be known.
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Those at too great a distance may, I am well are, mistake ignorance for perspective.
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Across the sea of space, the stars are other suns.
CARL SAGAN







