David Hoffmeister, a outstanding spiritual Instructor and author, has devoted his lifetime to sharing profound insights drawn from A Training course in Miracles (ACIM), a self-study spiritual imagined system. His publications give a modern interpretation of historical knowledge, emphasizing forgiveness, really like, as well as the illusion of your ego. https://www.amazon.com/Books-David-Hoffmeister/s?rh=n%3A283155%2Cp_27%3ADavid%2BHoffmeister