We thus find in the fact that the dream content takes up remnants of trivial experiences a manifestation of dream disfigurement (by means of displacement), and we may recall that we have recognised this dream disfigurement as the work of a censor which controls the passage between two psychic instances. We accordingly expect that dream analysis will regularly reveal to us the genuine, significant source of the dream in the life of the day, the recollection of which has transferred its accent to some indifferent recollection. This conception brings us into complete opposition to Robert’s[55] theory, which thus becomes valueless for us. The fact which Robert was trying to explain simply doesn’t exist; its assumption is based upon a misunderstanding, upon the failure to substitute the real meaning of the dream for its apparent content. Further objection may be made to Robert’s doctrine: If it were really the duty of the dream, by means of a special psychic activity, to rid our memory of the “slag” of the recollections of the day, our sleep would have to be more troubled and employed in a more strained effort than we may suppose it to be from our waking life. For the number of indifferent impressions received during the day, against which we should have to protect our memory, is obviously infinitely large; the night would not be long enough to accomplish the task. It is very much more probable that the forgetting of indifferent impressions takes place without any active interference on the part of our psychic powers. Still something cautions us against taking leave of Robert’s idea without further consideration. We have left unexplained the fact that one of the indifferent day-impressions—one from the previous day indeed—regularly furnished a contribution to the dream-content. Relations between this impression and the real source of the dream do not always exist from the beginning; as we have seen, they are established only subsequently, in the course of the dream-work, as though in order to serve the purpose of the intended displacement. There must, therefore, be some necessity to form connections in this particular direction, of the recent, although indifferent impression; the latter must have special fitness for this purpose because of some property. Otherwise it would be just as easy for the dream thoughts to transfer their accent to some inessential member of their own series of associations.