You have been set free from sin and have become slaves to righteousness.
18. And having been made free from sin, etc. The meaning is, “It is unreasonable that any one, after having been made free, should continue in a state of bondage; for he ought to maintain the freedom which he has received: it is not then befitting, that you should be brought again under the dominion of sin, from which you have been set at liberty...
The apostle's transition, which joins this discourse with the former, is observable: "What shall we say then? Rom 6:1. What use shall we make of this sweet and comfortable doctrine? Shall we do evil that good may come, as some say we do? Rom 3:8. Shall we continue in sin that grace may abound?
Commenting on Romans 6:1-23
Being then made free from sin,.... Not from a sinful nature; nor from a corrupt heart; nor from vain thoughts; nor from sinful words; nor from sinful actions altogether; but from the damning power of sin: sin brought all men under a sentence of condemnation; Christ has bore the execution of this sentence in himself for his people; hence, as considered in him, they are...