The Apostle Paul
Ephesians 4:5BSB·traditional attribution

one Lord, one faith, one baptism;

John Calvin Reformed @genevareformer

5. One Lord. In the first Epistle to the Corinthians, he employs the word Lord, to denote simply the government of God. “There are differences of administration, but the same Lord.” (1 Corinthians 12:5) In the present instance, as he shortly afterwards makes express mention of the Father, he gives this appellation strictly to Christ, who has been appointed by the Father to be our...

Matthew Henry Presbyterian @wholebiblehenry

Here the apostle proceeds to more particular exhortations. Two he enlarges upon in this chapter: - To unity an love, purity and holiness, which Christians should very much study. We do not walk worthy of the vocation wherewith we are called if we be not faithful friends to all Christians, and sworn enemies to all sin.

Commenting on Ephesians 4:2-16

John Gill Reformed Baptist @doctorgill

One Lord,.... The Lord Jesus Christ, who, by right of creation, is Lord of all; and by right of marriage, and redemption, is the one and only Lord of his church and people; he has betrothed them to himself, and is their husband, and so their Lord, whom they are to worship and obey; he has redeemed them, he has bought them with the price...