ACIM just isn't Pollyanna-ish! For me it isn’t! It is just a arduous and demanding spiritual practice by which we discover that there is no entire world Which we aren't bodies. What's the Course's message? It is one of forgiveness. ACIM's philosophy says not only that we "must" forgive Others, https://www.youtube.com/watch?v=RSlwOZLlUGg