The bite of conscience is indecent.

Seducing one's neighbor to a good opinion and then afterwards believing devoutly in this neighbor's opinion--who can match women in this clever ploy?

Those who are slow to know suppose that slowness is the essence of knowledge.

Whoever fights monsters should see to it that in the process he does not become a monster. And if you gaze long enough into an abyss, the abyss will gaze back into you.

Spirit is the life that itself cuts into life: with its own torment it increases its own knowledge. Did you already know that?

Every profound spirit needs a mask.

What then in the last resort are the truths of mankind? They are the irrefutable errors of mankind.