The Interpretation of Dreams by Sigmund Freud Chapter 7 Page 14

and again? What justifies our assertion that the dream removes the disturbance of sleep?

That the unconscious wishes always remain active is quite true.

They represent paths which are passable whenever a sum of excitement makes use of them. Moreover, a remarkable peculiarity of the unconscious processes is the fact that they remain indestructible. Nothing can be brought to an end in the unconscious; nothing can cease or be forgotten. This impression is most strongly gained in the study of the neuroses, especially of hysteria. The unconscious stream of thought which leads to the discharge through an attack becomes passable again as soon as there is an accumulation of a sufficient amount of excitement. The mortification brought on thirty years ago, after having gained access to the