2000 decades back, we didn’t have Sigmund Freud. We didn’t have all these teachings concerning the unconscious guilt, protection mechanisms, the Moi, and so on. A Course in Miracles makes use of the teachings of psychology, the teachings and terminology of education and learning, and it also employs Christian terminology. https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ