The teachings on the Course are non-dualistic teachings. If you go back into historic China or back into India, you might have heard about Advaita Vedanta. Advaita actually signifies “not two,” and that's a method of speaking about the fact that there's a oneness which connects us all. So, this https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw