The psychical, whatever its nature may be, is itself unconscious.
The interpretation of dreams is the royal road to a knowledge of the unconscious activities of the mind.
Being entirely honest with oneself is a good exercise.
What we call happiness in the strictest sense comes from the (preferably sudden) satisfaction of needs which have been dammed up to a high degree.
The first requisite of civilization is that of justice.
Dreams are often most profound when they seem the most crazy.