The Skeptic's Dictionary describes ACIM as "a small market" that is certainly overly commercialized and characterizes it as "Christianity enhanced". Robert T. Carroll wrote that the teachings are certainly not authentic but are culled from "numerous resources, east, and west". “Permit no person say when he is tempted, I'm tempted https://podcasts.apple.com/us/podcast/a-course-in-miracles-acim-podcast/id1456963067