Romans 6:16

6:16 Do you not know that if you present yourselves as obedient slaves, you are slaves of the one you obey, either of sin resulting in death, or obedience resulting in righteousness?

Romans 6:18

6:18 and having been freed from sin, you became enslaved to righteousness.

Romans 6:22

6:22 But now, freed from sin and enslaved to God, you have your benefit leading to sanctification, and the end is eternal life.