The teachings in the Course are non-dualistic teachings. In case you return into historical China or back into India, you might have heard of Advaita Vedanta. Advaita truly implies “not two,” and that's a means of referring to The very fact that there is a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw