The Apostle Paul
Ephesians 4:13ASV·traditional attribution

till we all attain unto the unity of the faith, and of the knowledge of the Son of God, unto a fullgrown man, unto the measure of the stature of the fulness of Christ:

Matthew Henry Presbyterian

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

Geneva Bible Notes Reformed

Till we all come in the unity of the faith, and of the knowledge of the Son of God, unto a perfect man, unto the measure of the stature of the fulness of Christ: (8) The use of this ministry is perpetual so long as we are in this world, that is, until that time that having put off the flesh, and thoroughly and perfectly...

Jamieson-Fausset-Brown Reformed

come in--rather, "attain unto." ALFORD expresses the Greek order, "Until we arrive all of us at the unity," &c. faith and . . . knowledge--Full unity of faith is then found, when all alike thoroughly know Christ, the object of faith, and that in His highest dignity as "the Son of God" [DE WETTE] (Eph 3:17, Eph 3:19; Pe2 1:5).