However, such people have already received a warning in person and now by letter (13:2). Paul’s “third visit” will be for them a time of confirmation of their sins “by the testimony of two or three witnesses” (Deut. 19:15) and fulfillment of Paul’s solemn promise not to spare any of those who have sinned from the authoritative apostolic judgment and discipline that will prove that Christ is speaking “through me” (13:1–2). For Christ, even though he once was crucified in weakness, now lives in and through “God’s power.” Consequently, as the Corinthians have had occasion to learn before, he is neither weak nor powerless to deal with those who stubbornly persist in sin (13:3–4). Indeed, he has given power to those who live with him so that, though they often find themselves weak in him, they …