There would be no society if living together depended upon understanding each other.

Anger is a prelude to courage.

Unlimited opportunities can be as potent a cause of frustration as a paucity or lack of opportunities.

Rudeness is the weak man's limitation of strength.

When we debunk a fanatical faith or prejudice, we do not strike at the root of fanaticism. We merely prevent its leaking out at a certain point, with the likely result that it will leak out at some other point.

One of the chief differences between an adult and a juvenile is that the adult knows when he is an ass while the juvenile never does.

The chemistry of dissatisfaction is as the chemistry of some marvelously potent tar. In it are the building stones of explosives, stimulants, poisons, opiates, perfumes and stenches.