Unexpressed emotions will never die. They are buried alive and will come forth later in uglier ways. - Sigmund Freud

Most of the 'pain' we experience is of a perceptual order, perception either of the urge of unsatisfied instincts or of something in the external world which may be painful in itself or may arouse painful anticipations in the psychic apparatus and is recognised by it as 'danger.

Religion is an illusion and it derives its strength from the fact that it falls in with our instinctual desires.

Quite often they are lines of thought starting out from more than one centre, but not without their points of contact; almost invariably one train of thought is accompanied by its contradictory opposite, associatively linked to it by contrast.