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