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