In both jokes and dreams, Freud observed, meanings are condensed and displaced, things are represented indirectly or by their opposites, fallacious reasoning trumps logic. Jokes often arise involuntarily, like dreams, and tend to be swiftly forgotten. From these similarities Freud inferred that jokes and dreams share a common origin in the unconscious. Both are essentially means of outwitting our inner "censor.

Autor: Jim Holt