The knowledge that there is a part of the psychic functions that are out of conscious reach we did not need to wait for Freud to know this!
As is known it is in the realm of experience inaugurated by psychoanalysis...
Belief and knowledge are considered to be two different things. But they are...
Generalised anger and frustration is something that gets you in the studio and gets you to work - though it's not necessarily evident in anything that's finished.