As long as one believes in philosophy, one is healthy; sickness begins when one starts to think.

Not to be born is undoubtedly the best plan of all. Unfortunately, it is within no one's reach.

It has been a long time since philosophers have read men's souls. It is not their task, we are told. Perhaps. But we must not be surprised if they no longer matter much to us.

Think of God and not religion, of ecstasy and not mysticism. The difference between the theoretician of faith and the believer is as great as between the psychiatrist and the psychotic.

Ambition is a drug that makes its addicts potential madmen.

Tyrants are always assassinated too late. That is their great excuse.

When every man has realized that his birth is a defeat, existence, endurable at last, will seem like the day after a surrender, like the relief and the repose of the conquered.