The Apostle Paul
2 Thessalonians 3:12ASV·traditional attribution

Now them that are such we command and exhort in the Lord Jesus Christ, that with quietness they work, and eat their own bread.

Jamieson-Fausset-Brown Reformed

by--The oldest manuscripts read, "IN the Lord Jesus." So the Greek, Th1 4:1, implying the sphere wherein such conduct is appropriate and consistent. "We exhort you thus, as ministers IN Christ, exhorting our people IN Christ." with quietness--quiet industry; laying aside restless, bustling, intermeddling officiousness (Th2 3:11). their own--bread earned by themselves, not another's bread (Th2 3:8).

Matthew Henry Presbyterian

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

John Calvin Reformed

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...