The teachings on the Course are non-dualistic teachings. When you return into historical China or again into India, you would have heard about Advaita Vedanta. Advaita essentially usually means “not two,” and that's a technique for referring to The actual fact that there is a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw