The teachings on the Course are non-dualistic teachings. In the event you go back into historical China or back into India, you would've heard about Advaita Vedanta. Advaita in fact signifies “not two,” and that's a technique for speaking about the fact that there is a oneness which connects us https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw