The best way to keep a prisoner from escaping is to make sure he never knows he's in prison.

There is immeasurably more left inside than what comes out in words. Your thought, even a bad one, while it is with you, is always more profound, but in words it is more ridiculous and dishonorable.

How many ideas have there been in the history of man which were unthinkable ten years before they appeared?

But man is a fickle and disreputable creature and perhaps, like a chess-player, is interested in the process of attaining his goal rather than the goal itself.

But twice-two-makes-four is for all that a most insupportable thing. Twice-two-makes-four is, in my humble opinion, nothing but a piece of impudence. Twice-two-makes-four is a farcical, dressed-up fellow who stands across your path with arms akimbo and spits at you.

I want to suffer and be purified by suffering!

You see, gentlemen, reason is an excellent thing, there’s no disputing that, but reason is nothing but reason and satisfies only the rational side of man’s nature, while will is a manifestation of the whole life, that is, of the whole human life including reason and all the impulses. And although our life, in this manifestation of it, is often worthless, yet it is life and not simply extracting square roots.