A strong egoism is a protection against disease, but in the last resort we must begin to love in order that we may not fall ill, and must fall ill if, in consequence of frustration, we cannot love.

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

So in every individual the two trends, one towards personal happiness and the other unity with the rest of humanity, must contend with each other.

The moment a man questions the meaning and value of life, he is sick, since objectively neither has any existence; by asking this question one is merely admitting to a store of unsatisfied libido to which something else must have happened, a kind of fermentation leading to sadness and depression.

But one thing about human beings puzzles me the most is their conscious effort to be connected with the object of their affection even if it kills them slowly within.

Smoking is indispensable if one has nothing to kiss.

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.