2000 a long time back, we didn’t have Sigmund Freud. We didn’t have these teachings concerning the unconscious guilt, defense mechanisms, the Moi, and the like. A Course in Miracles utilizes the teachings of psychology, the teachings and terminology of schooling, and it also takes advantage of Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw