Arrive at an extensive idea of the metaphysics of the Course in Miracles by a mix of audio/online video methods and Q&A dialogues with David Hoffmeister. Robert T. Carroll wrote the teachings aren't primary but are culled from "a variety of resources, east, and west". He adds that it's attained https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw