No more fiction, for now we calculate; but that we may calculate, we had to make fiction first.

I teach you beyond Man (superman). Man is something that shall be surpassed. What have you done to surpass him?

Belief in truth begins with doubting all that has hitherto been believed to be true.

There are horrible people who, instead of solving a problem, tangle it up and make it harder to solve for anyone who wants to deal with it. Whoever does not know how to hit the nail on the head should be asked not to hit it at all.

The discipline of suffering, of great suffering - do you not know that it is this discipline alone that has produced all the elevations of humanity so far?

All things are subject to interpretation whichever interpretation prevails at a given time is a function of power and not truth.

War has always been the grand sagacity of every spirit which has grown too inward and too profound; its curative power lies even in the wounds one receives.