Men are rewarded or punished not for what they do but for how their acts are defined. That is why men are more interested in better justifying themselves than in better behaving themselves.

People dream of making the virtuous powerful, so they can depend upon them. Since they cannot do that, people choose to make the powerful virtuous, glorifying in becoming victimized by them.

Masturbation: the primary sexual activity of mankind. In the nineteenth century it was a disease; in the twentieth, it's a cure.

Boredom is the feeling that everything is a waste of time; serenity, that nothing is.

Sex is a body-contact sport. It is safe to watch but more fun to play.

Mental illness, of course, is not literally a "thing" - or physical object - and hence it can "exist" only in the same sort of way in which other theoretical concepts exist.

Science can give us power over nature, but it cannot give us power over human nature.