The teachings of the Course are non-dualistic teachings. When you return into historical China or back into India, you would have heard of Advaita Vedanta. Advaita in fact suggests “not two,” and that's a way of speaking about The actual fact that there is a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw