The teachings of the Course are non-dualistic teachings. For those who go back into historical China or again into India, you would've heard of Advaita Vedanta. Advaita actually means “not two,” and that is a technique for referring to The very fact that there's a oneness which connects us all. https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw