All serious innovation is only rendered possible by some accident enabling unpopular persons to survive.

There have been poverty, pestilence, and famine, which were due to man's inadequate mastery of nature. There have been wars, oppressions and tortures which have been due to men's hostility to their fellow men.

Man can be scientifically manipulated.

The Axiom of Choice is necessary to select a set from an infinite number of socks, but not an infinite number of shoes.

The secret of happiness is this: let your interests be as wide as possible, and let your reactions to the things and persons that interest you be as far as possible friendly rather than hostile.

Drunkeness is temporary suicide: the happiness that it brings is merely negative, a momentary cessation of unhappiness.

The fact that an opinion has been widely held is no evidence whatever that it is not utterly absurd.