Carl Gustav Jung, Collected Papers on Analytical Psychology… (1916)
“ The psychiatrist will certainly smile at it, for he is thoroughly assured of the universal validity of his causalism, he knows the psyche merely as something that is made, descendent, reactive. Not uncommonly there lurks the unconscious prejudice that the psyche is a brain-secretion. Looking at such a morbid system without preconception, and asking ourselves what goal this delusional system is aiming at, we see, in fact, firstly, that it is endeavouring to get at something, and secondly, that the patient also devotes all his will-power to the service of the system. ”
