The teachings with the Course are non-dualistic teachings. In case you return into historical China or back into India, you would have heard of Advaita Vedanta. Advaita truly indicates “not two,” and that's a method of talking about the fact that there is a oneness which connects us all. So, https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw