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