All preachers of morality, as also all theologians have a bad habit in common: all of them try to persuade man that he is very ill, and that a severe, final, radical cure is necessary.

The gilded sheath of pity sometimes covers the dagger of envy.

Marriage was contrived for ordinary people, for people who are capable of neither great love nor great friendship, which is to say, for most people--but also for those exceptionally rare ones who are capable of love as well as of friendship.

The sick are the greatest danger for the healthy; it is not from the strongest that harm comes to the strong, but from the weakest.

Envy and jealousy are the private parts of the human soul. Perhaps the comparison can be extended.

The criminal type is the type of the strong human being under unfavorable circumstances: a strong human being made sick.

Philosophers are in the habit of setting themselves before life and experience.