Love your enemies because they bring out the best in you.

My abyss speaks, I have turned my ultimate depth inside out into the light.

Our vanity desires that what we do best should be considered what is hardest for us.

When one does away with oneself one does the most estimable thing possible: one thereby almost deserves to live.

The Antichrist, Section 7

Illness is a clumsy attempt to arrive at health: we must come to nature's aid with intellect.

Annoyance is a physical malady that is in no way cured just because the annoying situation that causes it is eliminated.