The game replaces sexual enjoyment by pleasure in movement.

If it's not one thing, it's your mother.

The view is often defended that sciences should be built up on clear and sharply defined basal concepts. In actual fact no science, not even the most exact, begins with such definitions. The true beginning of scientific activity consists rather in describing phenomena and then in proceeding to group, classify and correlate them.

You can always make a lot of people love one another so long as there are a smaller number outside the group for them to kick.

Dreams are the royal road to the unconscious.

The behavior of a human being in sexual matters is often a prototype for the whole of his other modes of reaction in life.

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.