Knowledge, absolutely sure of its infallibility, is faith.

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Crossing out is an art that is, perhaps, even more difficult than writing. It requires the sharpest eye to decide what is superfluous and must be removed. And it requires ruthlessness toward yourself -- the greatest ruthlessness and self-sacrifice. You must know how to sacrifice parts in the name of the whole.

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You're in bad shape. It looks like you're developing a soul.

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I prefer being wrong in my own way to being right in someone else's.

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Children are the only brave philosophers. And brave philosophers are, inevitably, children.

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We need writers who fear nothing. ("Our Goal")

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The most agonising thing is to drop doubt into a man about his being a reality, three-dimensional - and not some other kind of reality.

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You're in a bad way! Apparently, you have developed a soul.

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There is an excellent way to make predictions without the slightest risk of error: predict the past.

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Those two, in paradise, were given a choice: happiness without freedom, or freedom without happiness. There was no third alternative.

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