2000 many years ago, we didn’t have Sigmund Freud. We didn’t have these teachings about the unconscious guilt, defense mechanisms, the ego, etc. A Course in Miracles uses the teachings of psychology, the teachings and terminology of training, and it also uses Christian terminology. The psychology concepts which it employs https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ