All philosophy is a form of confession.

The existence of forgetting has never been proved: We only know that some things don't come to mind when we want them.

Assuming that he believes at all, the everyday Christian is a pitiful figure, a man who really cannot count up to three, and who besides, precisely because of his mental incompetence, would not deserve such a punishment as Christianity promises him.

"Belief in the truth commences with the doubting of all those "truths" we once believed."

A very popular error: having the courage of one's convictions; rather it is a matter of having the courage for an attack on one's convictions.

There is always some madness in love.

Full is the earth of the superfluous; marred is life by the many-too-many. May they be decoyed out of this life by the "life eternal"!