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