Zarathustra was the first to consider the fight of good and evil the very wheel in the machinery of things: the transposition of morality into the metaphysical realm, as a force, cause, and end in itself, is his work. [...] Zarathustra created this most calamitous error, morality; consequently, he must also be the first to recognize it.

A book is made better by good readers and clearer by good opponents.

If an architect wants to strengthen a decrepit arch, he increases the load laid upon it, for thereby the parts are joined more firmly together.

All isolation is wrong so say the herd. And long didst thou belong to the herd.

'He who seeks may easily get lost himself. It is a crime to go apart and be alone.' Thus speaks the herd.

The mouth may lie, alright, but the face it makes nonetheless tells the truth.

Ye shall only have foes to be hated; but not foes to be despised: ye must be proud of your foes.