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, 1 Thess. 4:9. Thus by his good opinion of them he insinuated himself int...