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