2000 years ago, we didn’t have Sigmund Freud. We didn’t have all these teachings with regard to the unconscious guilt, protection mechanisms, the Moi, etc. A Course in Miracles takes advantage of the teachings of psychology, the teachings and terminology of instruction, and Furthermore, it makes use of Christian terminology. https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ