2000 a long time ago, we didn’t have Sigmund Freud. We didn’t have all of these teachings regarding the unconscious guilt, protection mechanisms, the ego, etc. A Course in Miracles employs the teachings of psychology, the teachings and terminology of education, and Additionally, it takes advantage of Christian terminology. https://agency-social.com/story5088960/not-known-facts-about-a-course-in-miracles