The teachings of your Course are non-dualistic teachings. If you return into historic China or again into India, you would've heard of Advaita Vedanta. Advaita in fact suggests “not two,” and that's a means of referring to The very fact that there's a oneness which connects us all. The opposite https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw