The man of knowledge must be able not only to love his enemies but also to hate his friends.
Our highest insights must – and should – sound like follies and sometimes like crimes when they are heard without permission by those who are not predisposed and predestined for them.
One should only speak where one cannot remain silent, and only speak of what one has conquered —the rest is all chatter, literature, bad breeding.
Human history would be nothing but a record of stupidity save for the cunning contributions of the weak.
The creator seeks companions, not corpses or herds or believers. The creator seeks fellow-creators, those who inscribe new values on new tables.
Man, however, is the most courageous animal: thereby has he overcome every animal. With sound of triumph has he overcome every pain; human pain, however, is the sorest pain.