He who does not lie does not know what truth is.

"Faith" as an imperative is a veto against science-in praxi, it means lies at any price.

Some people throw a bit of their personality after their bad arguments, as if that might straighten their paths and turn them into right and good arguments-just as a man in a bowling alley, after he has let go of the ball, still tries to direct it with gestures.

Sins are indispensable to every society organized on an ecclesiastical basis; they are the only reliable weapons of power; the priest lives upon sins; it is necessary to him that there be sinning.

The doer is merely a fiction added to the deed ? the deed is everything.

The Superman is the meaning of the earth. Let your will say: The Superman shall be the meaning of the earth!

Science ... has no consideration for ultimate purposes, any more than Nature has, but just as the latter occasionally achieves things of the greatest suitableness without intending to do so, so also true science, as the imitator of nature in ideas, will occasionally and in many ways further the usefulness and welfare of man,-but also without intending to do so.