Under conditions of peace the warlike man attacks himself.

The worst readers are those who behave like plundering troops: they take away a few things they can use, dirty and confound the remainder, and revile the whole.

There is an old illusion. It is called good and evil.

What makes one heroic? - Going out to meet at the same time one's highest suffering and one's highest hope.

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

Cows sometimes wear an expression resembling wonderment arrested on its way to becoming a question. In the eye of superior intelligence, on the other hand, lies the nil admirari spread out like the monotony of a cloudless sky.

Necessity is not a fact; it's an interpretation.