It sounds not only disagreeable but also paradoxical, yet it must nevertheless be said that anyone who is to be really free and happy in love must have surmounted his respect for women and have come to terms with the idea of incest with his mother or sister.

The view is often defended that sciences should be built up on clear and sharply defined basal concepts. In actual fact no science, not even the most exact, begins with such definitions. The true beginning of scientific activity consists rather in describing phenomena and then in proceeding to group, classify and correlate them.

The communal life of human beings had . . . a two-fold foundation: the compulsion to work, which was created by external necessity, and the power of love.

Men are strong so long as they represent a strong idea they become powerless when they oppose it.

Christmas is the alcoholidays

We may insist as often as we like that man's intellect is powerless in comparison to his instinctual life, and we may be right in this. Nevertheless, there is something peculiar about this weakness. The voice of the intellect is a soft one, but it will not rest until it has gained a hearing. Finally, after a countless succession of rebuffs, it succeeds.

Unexpressed emotions will never die. They are buried alive and will come forth later in uglier ways.