This therefore I say — He returns thither where he begun, Ephesians 4:1. And testify in the Lord — In the name and by the authority of the Lord Jesus. In the vanity of their mind — Having lost the knowledge of the true God, Romans 1:21. This is the root of all evil walking.
Related Commentaries of Ephesians 4:17
Ephesians 4:17
17 This I say therefore, and testify in the Lord, that ye henceforth walk not as other Gentiles walk, in the vanity of their mind,