The teachings on the Course are non-dualistic teachings. Should you return into ancient China or back into India, you might have heard about Advaita Vedanta. Advaita really usually means “not two,” and that is a technique for referring to The very fact that there's a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw