Verses 1-6: The Revelation of the Mystery. Paul introduces his role as a prisoner for the Gentiles and explains the divine revelation of the mystery that Gentiles are co-heirs with Jews, united in Christ by the gospel.
Verses 7-13: Paul’s Ministry and Its Purpose. Paul describes his calling and grace to preach the unsearchable riches of Christ, emphasizing the hidden wisdom of God now made known through the church, and encourages believers not to be discouraged by his sufferings.
Verses 14-21: Paul’s Prayer for Spiritual Strength. Paul prays for the believers to be strengthened by the Spirit, to have Christ dwell in their hearts through faith, and to grasp the vastness of Christ’s love, culminating in praise to God’s eternal glory through the church.