power of grace through the truth of God’s Word broke fifteen years of bondage to sexual lust and living with a concubine. His resistance was finally overcome by “sovereign joy,” the beautiful name he gave to God’s grace. “How sweet all at once it was for me to be rid of those fruitless joys which I had once feared to lose … ! You drove them from me, you who are the true, the sovereign joy. You drove them from me and took their place, you who are sweeter than all pleasure.… O Lord my God, my Light,