Now such persons we command and encourage in the Lord Jesus Christ to do their work quietly and to earn their own living.
12 Now we command such. He corrects both of the faults of which he had made mention — a blustering restlessness, and retirement from useful employment. He accordingly exhorts them, in the first place, to cultivate repose — that is, to keep themselves quietly within the limits of their calling, or, as we commonly say, “sans faire bruit,” (without making a noise.) For the truth...
The apostle having commended their obedience for the time past, and mentioned his confidence in their obedience for the time to come, proceeds to give them commands and directions to some who were faulty, correcting some things that were amiss among them. Observe, The best society of Christians may have some faulty persons among them, and some things that ought to be reformed.
Commenting on 2 Thessalonians 3:6-15
Now them that are such,.... For this was not the case and character of them all. Did such practices generally obtain, no community, civil or religious, could subsist. And the apostle wisely distinguishes them from others, that the innocent might not be involved in the charge.