The Apostle Paul
1 Thessalonians 4:10BSB·traditional attribution

And you are indeed showing this love to all the brothers throughout Macedonia. But we urge you, brothers, to excel more and more

John Calvin Reformed @genevareformer

10 And we exhort you. Though he declares that they were sufficiently prepared of themselves for all offices of love, he nevertheless does not cease to exhort them to make progress, there being no perfection in men. And, unquestionably, whatever appears in us in a high state of excellence, we must still desire that it may become better.

Matthew Henry Presbyterian @wholebiblehenry

In these words the apostle mentions the great duties, I. Of brotherly love. This he exhorts them to increase in yet more and more. The exhortation is introduced, not with a compliment, but with a commendation, because they were remarkable in the exercise of it, which made it less needful that he should write to them about it, Th1 4:9.

Commenting on 1 Thessalonians 4:9-12

John Gill Reformed Baptist @doctorgill

And indeed ye do it towards all the brethren,.... Whether high or low, rich or poor, bond or free, greater or lesser believers, and whether related in the bonds of nature or not; they exercised this grace of love without respect of persons, to all, and not only to all the brethren in the particular community at Thessalonica, but which are in all Macedonia; throughout...