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