Take note of anyone who does not obey the instructions we have given in this letter. Do not associate with him, so that he may be ashamed.
14 If any one obeys not. He has already declared previously, that he commands nothing but from the Lord. Hence the man, that would not obey, would not be contumacious against a mere man, but would be rebellious against God himself; “Ce n’eust point contre vn homme mortel qu’il eust addresse son opiniastre et rebellion;” — “It would not have been against a mortal man...
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
And if any man obey not our word,.... Of command, to work quietly, and eat his own bread, now signified "by this epistle", particularly in Th2 3:12, note that man; some read this clause in connection with the preceding phrase, "by this epistle", or by an epistle; and so the Ethiopic version, "show", or "signify him by an epistle"; that is, give us notice of...