There is a psychological technique which makes it possible to interpret dreams, and ... if that procedure is employed, every dream reveals itself as a psychical structure which has a meaning and which can be inserted at an assignable point in the mental activities of waking life.
Sigmund FreudThe interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.
Sigmund FreudIntolerance of groups is often, strangely enough, exhibited more strongly against small differences than against fundamental ones.
Sigmund Freud