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 SAGANArguments 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.
More Carl Sagan Quotes
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Across the sea of space, the stars are other suns.
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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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Don’t judge everyone else by your own limited experience.
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The Earth is a very small stage in a vast cosmic arena.
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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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If it can be destroyed by the truth, it deserves to be destroyed by the truth.
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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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Nothing disturbs me more than the glorification of stupidity.
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Understanding is a kind of ecstasy.
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We can’t help it. Life looks for life.
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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.
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Nature is always more subtle, more intricate, more elegant than what we are able to imagine.
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The Earth is the only world known so far to harbor life.
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I’ve always thought an agnostic is an atheist without the courage of his convictions.
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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.
CARL SAGAN







