Man needs, for his happiness, not only the enjoyment of this or that, but hope and enterprise and change.

There may be no good reasons for very many opinions that are held with passion.

Ordinary language is totally unsuited for expressing what physics really asserts, since the words of everyday life are not sufficiently abstract. Only mathematics and mathematical logic can say as little as the physicist means to say.

Animal rights, taken to their logical conclusion, mean votes for oysters.

We are told that Sin consists in acting contrary to God's commands, but we are also told that God is omnipotent. . . . This leads to frightful results. . . . The British State considers it the duty of an Englishman to kill people who are not English whenever a collection of elderly gentlemen in Westminster tells him to do so. . . . Church and State are placable enemies of both intelligence and virtue.

Worry is a form of fear, and all forms of fear produce fatigue. A man who has learned not to feel fear will find the fatigue of daily life enormously diminished.

Aristotle maintained that women have fewer teeth than men; although he was twice married, it never occurred to him to verify this statement by examining his wives' mouths.