2000 decades ago, we didn’t have Sigmund Freud. We didn’t have all of these teachings about the unconscious guilt, defense mechanisms, the Moi, etc. A Course in Miracles utilizes the teachings of psychology, the teachings and terminology of education and learning, and Additionally, it works by using Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw