A woman should soften but not weaken a man.

The more the fruits of knowledge become accessible to men, the more widespread is the decline of religious belief.

As regards intellectual work it remains a fact, indeed, that great decisions in the realm of thought and momentous discoveries and solutions of problems are only possible to an individual, working in solitude.

Intolerance of groups is often, strangely enough, exhibited more strongly against small differences than against fundamental ones.

Tobacco is the only excuse for Columbus's misadventure in discovering America.

The behavior of a human being in sexual matters is often a prototype for the whole of his other modes of reaction in life.

One might compare the relation of the ego to the id with that between a rider and his horse. The horse provides the locomotor energy, and the rider has the prerogative of determining the goal and of guiding the movements of his powerful mount towards it. But all too often in the relations between the ego and the id we find a picture of the less ideal situation in which the rider is obliged to guide his horse in the direction in which it itself wants to go.