2000 many years back, we didn’t have Sigmund Freud. We didn’t have these teachings with regards to the unconscious guilt, defense mechanisms, the ego, etc. A Course in Miracles makes use of the teachings of psychology, the teachings and terminology of education, and In addition it employs Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw