2000 years back, we didn’t have Sigmund Freud. We didn’t have all these teachings with regards to the unconscious guilt, protection mechanisms, the Moi, and the like. A Course in Miracles utilizes the teachings of psychology, the teachings and terminology of education, and Additionally, it takes advantage of Christian terminology. https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ