The teachings of the Course are non-dualistic teachings. Should you go back into ancient China or back into India, you would have heard of Advaita Vedanta. Advaita truly means “not two,” and that is a way of referring to The actual fact that there's a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw