The teachings from the Course are non-dualistic teachings. In case you return into historical China or back into India, you would've heard about Advaita Vedanta. Advaita basically means “not two,” and that's a technique for speaking about The actual fact that there's a oneness which connects us all. These concepts https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw