A child who has been severely punished for sex play is not necessarily less inclined to continue; and a man who has been imprisoned for violent assault is not necessarily less inclined toward violence.

The only geniuses produced by the chaos of society are those who do something about it. Chaos breeds geniuses. It offers a man something to be a genius about.

I did not direct my life. I didn't design it. I never made decisions. Things always came up and made them for me. That's what life is.

Old age is rather like another country. You will enjoy it more if you have prepared yourself before you go.

The way positive reinforcement is carried out is more important than the amount.

A person who has been punished is not thereby simply less inclined to behave in a given way; at best, he learns how to avoid punishment.

In the world at large we seldom vote for a principle or a given state of affairs. We vote for a man who pretends to believe in that principle or promises to achieve that state. We don't want a man, we want a condition of peace and plenty-- or, it may be, war and want-- but we must vote for a man.