2000 a long time back, we didn’t have Sigmund Freud. We didn’t have each one of these teachings regarding the unconscious guilt, protection mechanisms, the ego, etc. A Course in Miracles uses the teachings of psychology, the teachings and terminology of schooling, and Additionally, it makes use of Christian terminology. https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ