2000 decades ago, we didn’t have Sigmund Freud. We didn’t have each one of these teachings concerning the unconscious guilt, defense mechanisms, the Moi, etc. A Course in Miracles employs the teachings of psychology, the teachings and terminology of education and learning, and What's more, it employs Christian terminology. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw