The teachings in the Course are non-dualistic teachings. When you return into ancient China or back into India, you would've heard about Advaita Vedanta. Advaita in fact usually means “not two,” and that is a method of speaking about The actual fact that there's a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw