Effort and hard work. Many hermitage experiences served David to free of charge his mind from ego chatter and enter into deep silence, where he in the long run knowledgeable Enlightenment. Collecting a few passages from ACOL and presenting them facet by aspect with ACIM’s quotes that seemingly contradict them https://www.youtube.com/channel/UCTleG6-484F7WHZD0hAjRRw