The Interpretation of Dreams by Sigmund Freud Chapter 8 Page 49

theory of the dream; I leave this here unfinished because I have already passed a step beyond the demonstrable in assuming that the dream-wish invariably originates from the unconscious.2 Nor will I further investigate the difference in the play of the psychic forces in the dream formation and in the formation of the hysterical symptoms, for to do this we ought to possess a more explicit knowledge of one of the members to be compared. But I regard another point as important, and will here confess that it was on account of this very point that I have just undertaken this entire discussion concerning the two psychic systems, their modes of operation, and the repression.

For it is now immaterial whether I have conceived the psychological relations in question with approximate correctness, or, as is easily possible in such a