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