2000 yrs in the past, we didn’t have Sigmund Freud. We didn’t have these teachings in regards to the unconscious guilt, defense mechanisms, the Moi, and the like. A Course in Miracles uses the teachings of psychology, the teachings and terminology of training, and it also employs Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw