that no one should take advantage of and wrong a brother or sister in this matter; because the Lord is an avenger in all these things, as also we forewarned you and testified.

 4:9-12 You do not need that I should write to you about brotherly love; for you yourselves are taught of God to love one another. Indeed you do this very thing to all the brothers who are in the whole of Macedonia. But we do urge you, brothers, to go on to more and more, and to aim at keeping calm and minding your own business. We urge you to work with your hands, as we instructed you to do, so that your behaviour may seem to those outside the Church a lovely thing and so that you may need no one to support you. 