What's the Course's message? It is among forgiveness. ACIM's philosophy says not simply that we "ought to" forgive Other individuals, but that we are able to ONLY forgive them, because their perceived offences in fact by no means befell. The explanation for this is that their "sins" are just projections https://www.youtube.com/channel/UCXpL4OXSmktqlP6_S5p5jIQ