If any of you has a grievance against another, how dare he go to law before the unrighteous instead of before the saints!
Here, he begins to reprove another fault among the Corinthians — an excessive fondness for litigation, which took its rise from avarice. Now, this reproof consists of two parts. The first is, that by bringing their disputes before the tribunals of the wicked, they by this means made the gospel contemptible, and exposed it to derision.
Here the apostle reproves them for going to law with one another before heathen judges for little matters; and therein blames all vexatious law-suits. In the previous chapter he had directed them to punish heinous sins among themselves by church-censures. Here he directs them to determine controversies with one another by church-counsel and advice, concerning which observe, I. The fault he blames them for: it was going to law.
Commenting on 1 Corinthians 6:1-8
Dare any of you, having a matter against another,...., Any thing in difference, an action, cause, or suit. The apostle having dispatched the affair of the incestuous person, and blamed this church for their conduct therein: and having given them instructions what they should do, proceeds to lay before them another evil among them he had to complain of; which was, when any difference arose...