The Interpretation of Dreams by Sigmund Freud Chapter 2 Page 10

innumerable medley of dream contents, examples of which I need scarcely adduce.

Their strangeness quite disappears when we resolve not to place them on a level with the objects of perception as known to us when awake, but to remember that they represent the art of dream condensation by an exclusion of unnecessary detail. Prominence is given to the common character of the combination. Analysis must also generally supply the common features. The dream says simply: All these things have an “x” in common. The decomposition of these mixed images by analysis is often the quickest way to an interpretation of the dream. Thus I once dreamt that I was sitting with one of my former university tutors on a bench, which was undergoing a rapid continuous movement amidst other benches. This was a combination of lecture-room