What is the context?
Paul now urges a way of life worthy of the calling his readers have received. The appeal grows out of the grace, shared belonging and hope described in the first three chapters. He writes again as a prisoner in the Lord.
He names the qualities needed in that shared life: humility, gentleness, patience and bearing with one another in love. They are to be diligent in preserving the unity of the Spirit through the bond of peace.
The unity has a foundation deeper than the believers’ immediate feelings toward each other. Paul names one body, one Spirit and one hope of their calling, then one Lord, one faith and one baptism.
He concludes with one God and Father, over all, through all and in all. The Father, Lord and Spirit stand at the center of the shared life he is describing. The call to treat one another with love rests in what they already share through God’s grace.
How is this passage commonly understood?
Christians commonly understand this as a call to preserve the Spirit-given unity of Christ’s people through humble, patient love. Wesley’s notes on verses 1–6 and the USCCB notes on verses 1–16 both connect the shared body and faith with the way believers live together.
The expression one baptism is understood differently. Wesley’s note on verse 5 takes it as outward baptism. The Catholic Catechism, paragraph 1271, describes properly received baptism as a foundation of Christian communion even where churches are not fully united. The Reformed Westminster Confession, chapter 28, likewise describes water baptism as a sign and pledge of grace and belonging to Christ.
Another reading understands the baptism here as Christ’s work of joining believers to His body through the Holy Spirit. Evangelical writer Hampton Keathley IV develops that reading in One Baptism in Ephesians 4:5, connecting the verse with 1 Corinthians 12:13. This is a teacher’s reading of the passage, rather than an official explanation shared by all evangelical churches.
Where does this fit in God's plan?
In John 17:20–23, Jesus prays for those who will believe through the apostles’ message to be one. He connects their unity with the relationship of the Father and Son and with the world recognizing that the Father sent Him.
That explicit prayer gives a larger purpose to the unity Paul asks them to preserve. Their life together bears witness to the Christ who gathers them and to the Father’s love. Humility, patience and peace therefore serve more than the comfort of a congregation; they belong to its witness in the world.
What is our position?
We don't have a position on this passage yet. When our study reaches a conclusion the text supports, it will appear here.