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