Paul then discloses how he has presented himself as a paradigm to imitate in order to end these allegiances (4:6–21). The exhortative, I appeal to you, forms an inclusio with 4:16, which suggests that the first four chapters function as a unit with this same theme.4 When the apostle makes strong urges he often addresses recipients as brothers and sisters (1:10; 16:15; Rom 12:1; 1 Thess 4:10; 5:14). This designation often identifies the beginning of a new topic or pericope in