2000 decades back, we didn’t have Sigmund Freud. We didn’t have all these teachings with regard to the unconscious guilt, protection mechanisms, the Moi, and the like. A Course in Miracles uses the teachings of psychology, the teachings and terminology of training, and In addition, it uses Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw