13:4-7 Some of the effects of charity are stated, that we may know whether we have this grace; and that if we have not, we may not rest till we have it. This love is a clear proof of regeneration, and is a touchstone of our professed faith in Christ. In this beautiful description of the nature and effects of love, it is meant to show the Corinthians that their conduct had, in many respects, been a contrast to it. Charity is an utter enemy to selfishness; it does not desire or seek its own praise, or honour, or profit, or pleasure. Not that charity destroys all regard to ourselves, or that the charitable man should neglect himself and all his interests. But charity never seeks its own to the hurt of others, or to neglect others. It ever prefers the welfare of others to its private advantage. How good-natured and amiable is Christian charity! How excellent would Christianity appear to the world, if those who profess it were more under this Divine principle, and paid due regard to the command on which its blessed Author laid the chief stress! Let us ask whether this Divine love dwells in our hearts. Has this principle guided us into becoming behaviour to all men? Are we willing to lay aside selfish objects and aims? Here is a call to watchfulness, diligence, and prayer.
6. rejoiceth in the truth—rather, "rejoiceth with the truth." Exults not at the perpetration of iniquity (unrighteousness) by others (compare Ge 9:22, 23), but rejoices when the truth rejoices; sympathizes with it in its triumphs (2Jo 4). See the opposite (2Ti 3:8), "Resist the truth." So "the truth" and "unrighteousness" are contrasted (Ro 2:8). "The truth" is the Gospel truth, the inseparable ally of love (Eph 4:15; 2Jo 12). The false charity which compromises "the truth" by glossing over "iniquity" or unrighteousness is thus tacitly condemned (Pr 17:15).