The teachings of your Course are non-dualistic teachings. In the event you return into ancient China or back into India, you would have heard about Advaita Vedanta. Advaita essentially suggests “not two,” and that is a means of talking about the fact that there's a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw