The teachings on the Course are non-dualistic teachings. If you go back into historical China or again into India, you might have heard about Advaita Vedanta. Advaita essentially signifies “not two,” and that's a way of referring to The actual fact that there is a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw