Homeopathic doses are perhaps the strongest.

Man is a creative animal, doomed to strive toward a goal, engaged in full-time engineering.

Suffering is the sole origin of consciousness.

...one may say anything about the history of the world - anything that might enter the most disordered imagination. The only thing one can't say is that it's rational.

You can't be angry with me, because I am a hundred times more severely punished than you, if only by the fact that I shall never see you again.

This is my last message to you: in sorrow, seek happiness.

The enemies of living life; outdated little liberals, afraid of their own independence; lackeys of thought, enemies of the person and freedom, decrepit preachers of carrion and rot! What do they have: gray heads, the golden mean, the most abject and philistine giftlessness, envious equality, equality without personal dignity, equality as understood by a lackey or a Frenchman of the year ninety-three...And scoundrells, above all, scoundrels, scoundrels everywhere!