We must love or we grow ill.

What decides the purpose of life is simply the programme of the pleasure principle. This principle dominates the operation of the mental apparatus from the start. There can be no doubt about its efficacy, and yet its programme is at loggerheads with the whole world, with the macrocosm as much as with the microcosm.

I became aware of my destiny: to belong to the critical minority as opposed to the unquestioning majority.

At bottom God is nothing more than an exalted father.

Neither in my private life nor in my writings, have I ever made a secret of being an out-and-out unbeliever.

Most people do not really want freedom, because freedom involves responsibility, and most people are frightened of responsibility.

The voice of the intellect is a soft one, but it does not rest until it has gained a hearing.