5:21 This transitional verse is last in a series of expressions explaining the effects of being filled with the Spirit (vv. 19–21 note). Regardless of their social rank, all Christians should pattern their social behavior on the humility and kindness of Christ (4:32–5:2; cf. Luke 22:24–27; John 13:14–16). This submission “to one another” is the basis for the forms of authority in specific relationships discussed in 5:22–6:9.