The teachings from the Course are non-dualistic teachings. In case you return into ancient China or back into India, you would've heard of Advaita Vedanta. Advaita basically signifies “not two,” and that's a strategy for speaking about the fact that there is a oneness which connects us all. Doesn’t it https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw