I have an infamously low capacity for visualizing relationships, which made the study of geometry and all subjects derived from it impossible for me.

I regard myself as one of the most dangerous enemies of religion

A piece of creative writing, like a day-dream, is a continuation of, and a substitute for, what was once the play of childhood.

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.

The news that reaches your consciousness is incomplete and often not to be relied on.... Turn your eyes inward, look into your own depths, learn first to know yourself!

Just as a satisfaction of instinct spells happiness for us, so severe suffering is caused us if the external world lets us starve, if it refuses to sate our needs. One may therefore hope to be freed from a part of one's sufferings by influencing the instinctual impulses.