The teachings in the Course are non-dualistic teachings. When you go back into ancient China or back again into India, you would have heard about Advaita Vedanta. Advaita in fact indicates “not two,” and that's a technique for talking about The very fact that there's a oneness which connects us https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw