This I say therefore, and testify in the Lord, that you no longer walk as the rest of the Gentiles also walk, in the futility of their mind,
This I say therefore, and testify in the Lord, that ye henceforth walk not as other Gentiles walk, in the vanity of their mind, (12) He descends to the fruits of Christian doctrine, and reasons first upon the principles of conduct and actions, setting down a most grave comparison between the children of God, and those who are not regenerated.
therefore--resuming the exhortation which he had begun with, "I therefore beseech you that ye walk worthy," &c. (Eph 4:1). testify in the Lord--in whom (as our element) we do all things pertaining to the ministry (Th1 4:1 [ALFORD]; Rom 9:1). henceforth . . . not--Greek, "no longer"; resumed from Eph 4:14.
Paul speaks with apostolic weight: you must not live as the heathen do, whose minds chase vanities and whose hearts are darkened and estranged from God's life. You were snatched as brands from the burning; do not return to that smoke.
AI summary
Commenting on Ephesians 4:17-32