A Course in Miracles (also referred to as ACIM or the Course) is a 1976 guide by Helen Schucman. The underlying premise would be that the greatest "wonder" would be the act of basically gaining a full "awareness of love's existence" in somebody's lifetime. Pay attention to the audio from https://podcasts.apple.com/us/podcast/a-courseinmiracles-acim-podcast/id1456963067