2000 yrs in the past, we didn’t have Sigmund Freud. We didn’t have all these teachings concerning the unconscious guilt, protection mechanisms, the Moi, and so forth. A Course in Miracles uses the teachings of psychology, the teachings and terminology of instruction, and What's more, it employs Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw