King James Version
This I say therefore, and testify in the Lord, that ye henceforth walk not as other Gentiles walk, in the vanity of their mind,English Standard Version
Now this I say and testify in the Lord, that you must no longer walk as the Gentiles do, in the futility of their minds.New International Version
So I tell you this, and insist on it in the Lord, that you must no longer live as the Gentiles do, in the futility of their thinking.