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

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Knowledge, absolutely sure of its infallibility, is faith.

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It is an error to divide people into the living and the dead: there are people who are dead-alive, and people who are alive-alive. The dead-alive also write, walk, speak, act. But they make no mistakes; only machines make no mistakes, and they produce only dead things. The alive-alive are constantly in error, in search, in questions, in torment.

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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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Children are the boldest philosophers. They enter life naked, not covered by the smallest fig leaf of dogma, absolutes, creeds. This is why every question they ask is so absurdly naïve and so frighteningly complex.

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There are books of the same chemical composition as dynamite. The only difference is that a piece of dynamite explodes once, whereas a book explodes a thousand times.

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

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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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There is no final one; revolutions are infinite.

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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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