I call Christianity the one great curse, the one great intrinsic depravity, and the one great instinct of revenge, for which no means are venomous enough, or secret, subterranean and small enough - I call it the one immortal blemish on the human race.

In the consciousness of the truth he has perceived, man now sees everywhere only the awfulness or the absurdity of existence and loathing seizes him.

A soul which knows that it is loved, but does not itself love, betrays its sediment: its dregs come up.

Whoever writes in blood and aphorisms wants not to be learned but to be learned by heart.

Undeserved praise causes more pangs of conscience later than undeserved blame, but probably only for this reason, that our power of judgment are more completely exposed by being over praised than by being unjustly underestimated.

We forget our guilt when we have confessed it to another, but the other does not usually forget it.

Sometimes people don't want to hear the truth because they don't want their illusions destroyed.