The search for happiness is one of the chief sources of unhappiness.

It is the child in man that is the source of his uniqueness and creativeness, and the playground is the optimal milieu for the unfolding of his capacities and talents.

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.

The individual's most vital need is to prove his worth, and this usually means an insatiable hunger for action. For it is only the few who can acquire a sense of worth by developing and employing their capacities and talents. The majority prove their worth by keeping busy.

Love-making is radical, while marriage is conservative.

It is a sign of creeping inner death when we can no longer praise the living.

The genuine artist is as much a dissatisfied person as the revolutionary, yet how diametrically opposed are the products each distills from his dissatisfaction.