As Augustine urges, “We have heard the fact, let us seek the mystery.” 28 We rarely hear language like this in churches today. But where mystery is explained away rather than embraced, where heavenly participation is clarified (“Now I’m not saying …”) rather than celebrated, union with Christ will not be widely known or enjoyed. It will remain “the most important doctrine you’ve never heard of,” 29 and we will be much poorer for it.
