The history of psychoanalysis is dotted with conflicts that involve analysts departing from Sigmund Freud's ideas of both theory and technique. Freud dispatched Rank's ideas with an incisive and forceful critique. Sandor Ferenczi also attempted far-reaching changes in psychoanalytic technique, which were not easily tolerated in the psychoanalytic movement. Ferenczi's conflicts with Freud were not simply intellectual differences but involved personal feelings of the deepest nature. Freud is maintaining that the analyst should be acting as an antenna for the patient's unconscious communications. Since it was Freud's view that the main locus was in the analyst's unconscious, obviously the analyst should know his or her unconscious tendencies quite well. Freud states that the patient must observe the fundamental rule. Freud's views on the importance of intellectual knowledge have obviously undergone a dramatic shift from his views as presented in Studies on Hysteria and his implicit views in the Dora case.