2000 yrs in the past, we didn’t have Sigmund Freud. We didn’t have these teachings with regard to the unconscious guilt, protection mechanisms, the ego, etc. A Course in Miracles utilizes the teachings of psychology, the teachings and terminology of schooling, and it also makes use of Christian terminology. https://socialrator.com/story11232462/the-single-best-strategy-to-use-for-a-course-in-miracles