The book of Colossians is Paul's letter to a young, confused church that faced the problem of false teaching. In it he masterfully presents Jesus Christ as Creator and Sustainer of the universe and the supreme Head of the church. The book of Philemon is a personal and warm letter from one believer to another. Speaking on behalf of Onesimus, a runaway slave, Paul implores Philemon to be merciful and take him back now as a Christian brother rather than...