To endure life remains, when all is said, the first duty of all living being Illusion can have no value if it makes this more difficult for us.
Sigmund FreudIt is a predisposition of human nature to consider an unpleasant idea untrue, and then it is easy to find arguments against it.
Sigmund FreudThe most complicated achievements of thought are possible without the assistance of consciousness.
Sigmund FreudThe 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.
Sigmund Freud