18 And being made free from sin you have been made the servants of righteousness. 19 I am using words in the way of men, because your flesh is feeble: as you gave your bodies as servants to what is unclean, and to evil to do evil, so now give them as servants to righteousness to do what is holy. 20 When you were servants of sin you were free from righteousness.
Matthew Henry's Commentary on Romans 6:18-20
Commentary on Romans 6:16-20
(Read Romans 6:16-20)
Every man is the servant of the master to whose commands he yields himself; whether it be the sinful dispositions of his heart, in actions which lead to death, or the new and spiritual obedience implanted by regeneration. The apostle rejoiced now they obeyed from the heart the gospel, into which they were delivered as into a mould. As the same metal becomes a new vessel, when melted and recast in another mould, so the believer has become a new creature. And there is great difference in the liberty of mind and spirit, so opposite to the state of slavery, which the true Christian has in the service of his rightful Lord, whom he is enabled to consider as his Father, and himself as his son and heir, by the adoption of grace. The dominion of sin consists in being willingly slaves thereto, not in being harassed by it as a hated power, struggling for victory. Those who now are the servants of God, once were the slaves of sin.