A Course in Miracles (also referred to as ACIM) is usually a 1976 e book by Helen Schucman. The underlying premise would be that the greatest "miracle" could be the act of basically getting a full "recognition of love's presence" in somebody's existence. David has touched the lives of 1000's https://nondualteacher.com/non-dual-awareness-a-course-in-miracles-acim/