7:1-9 The apostle tells the Corinthians that it was good, in that juncture of time, for Christians to keep themselves single. Yet he says that marriage, and the comforts of that state, are settled by Divine wisdom. Though none may break the law of God, yet that perfect rule leaves men at liberty to serve him in the way most suited to their powers and circumstances, of which others often are very unfit judges. All must determine for themselves, seeking counsel from God how they ought to act.
9. if they cannot contain—that is, "have not continency."
burn—with the secret flame of lust, which lays waste the whole inner man. (Compare Augustine [Holy Virginity]). The dew of God's grace is needed to stifle the flame, which otherwise would thrust men at last into hell-fire.