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