Not all birds can fly. What separates the flyers from the walkers is the ability to take off.
CARL SAGANI think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
More Carl Sagan Quotes
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Except in pure mathematics, nothing is known for certain (although much is certainly false).
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We live in a vast and awesome universe in which, daily, suns are made and worlds destroyed, where humanity clings to an obscure clod of rock.
CARL SAGAN -
Knowing a great deal is not the same as being smart; intelligence is not information alone but also judgement, the manner in which information is coordinated and used.
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Books permit us to voyage through time, to tap the wisdom of our ancestors.
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I consider it an extremely dangerous doctrine, because the more likely we are to assume that the solution comes from the outside, the less likely we are to solve our problems ourselves.
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We can judge our progress by the courage of our questions and the depth of our answers, our willingness to embrace what is true rather than what feels good.
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When we look up at night and view the stars, everything we see is shinning because of distant nuclear fusion.
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Somewhere, something incredible is waiting to be known.
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The Earth is a very small stage in a vast cosmic arena.
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I think the health of our civilization, the depth of our awareness about the underpinnings of our culture and our concern for the future can all be tested by how well we support our libraries.
CARL SAGAN -
One glance at a book and you hear the voice of another person, perhaps someone dead for 1,000 years. To read is to voyage through time.
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The total number of stars in the Universe is larger than all the grains of sand on all the beaches of the planet Earth.
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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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Every one of us is, in the cosmic perspective, precious. If a human disagrees with you, let him live. In a hundred billion galaxies, you will not find another.
CARL SAGAN -
If we continue to accumulate only power and not wisdom, we will surely destroy ourselves.
CARL SAGAN