The teachings of your Course are non-dualistic teachings. For those who return into historical China or back into India, you would have heard about Advaita Vedanta. Advaita essentially suggests “not two,” and that's a method of referring to the fact that there's a oneness which connects us all. These ideas https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw