Where does Freud say, "The unconscious mind can only wish?" Where does Freud say, "The unconscious mind can only wish?" I've been tasked with either agreeing or disagreeing with this statement, but I cannot find exactly where Freud is said to have made this statement, thus no context.
Paco Mitchell at Depth Insights lists the following reference for “the unconscious can only wish”:


  For an informed critique of Freud’s comment and of psychoanalytic theory in general, see C. G. Jung, The Theory of Psychoanalysis (New York: Journal of Nervous and Mental Disease, 1915).


Full text is available at Archive.org.
You may also want to search for "can only wish" on Scribd's copy of Jung's Freud and Psychoanalysis, and Archive.org's full text of William White's Mechanisms of Character Formation: An Introduction to Psychoanalysis. These provide plenty more context, though I'm not seeing a direct reference to the original source of the quote...