2000 many years ago, we didn’t have Sigmund Freud. We didn’t have all these teachings concerning the unconscious guilt, defense mechanisms, the Moi, etc. A Course in Miracles makes use of the teachings of psychology, the teachings and terminology of training, and it also takes advantage of Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw