A religion, even if it calls itself a religion of love, must be hard and unloving to those who do not belong to it.

I cannot face the idea of life without work. What would one do when ideas failed or words refused to come? It is impossible not to shudder at the thought.

As everyone knows, the ancients before Aristotle did not consider the dream a product of the dreaming mind, but a divine inspiration, and in ancient times the two antagonistic streams, which one finds throughout in the estimates of dream life, were already noticeable. They distinguished between true and valuable dreams, sent to the dreamer to warn him or to foretell the future, and vain, fraudulent, and empty dreams, the object of which was to misguide or lead him to destruction.

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.

Dogs love their friends and bite their enemies, quite unlike people, who are incapable of pure love and always have to mix love and hate.

The wish to be able to fly is to be understood as nothing else than a longing to be capable of sexual performance.

The meager satisfaction that man can extract from reality leaves him starving.