The teachings of your Course are non-dualistic teachings. For those who return into ancient China or again into India, you might have heard about Advaita Vedanta. Advaita in fact signifies “not two,” and that is a strategy for talking about the fact that there's a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw