Freud once wrote: "I have no inclination to keep the domain of the psychological floating as it were in the air, without any organic foundation. Let the biologists go as far as they can and let us go ...

It's one of the oldest ideas in psychology. We are said to have an unconscious mind that, despite our best conscious intentions, is the real controlling force in our lives. It leads us to sabotage ...

The famous psychiatrist and psychologist had many thoughts on how we see the world.