20 For when you were the slaves of sin, you were under no subjection to righteousness.
Romans 6:20 Cross References - MNT
John 8:34
Romans 6:16-17
16 Do you not know that when you surrender yourselves as slaves to any one to obey him, you are his slaves whom you obey; whether it be sin, whose end is death, or obedience, whose end is righteousness?
17 But God be thanked that you who were once the slaves of sin have obeyed from your hearts that type of teaching to which you were appointed;