Romans 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?
John 8:34
Jesus answered them, "I tell you the solemn truth, everyone who practices sin is a slave of sin.
2 Peter 2:19
Although these false teachers promise such people freedom, they themselves are enslaved to immorality. For whatever a person succumbs to, to that he is enslaved.
Matthew 6:24
"No one can serve two masters, for either he will hate the one and love the other, or he will be devoted to the one and despise the other. You cannot serve God and money.
Joshua 24:15
If you have no desire to worship the Lord, choose today whom you will worship, whether it be the gods whom your ancestors worshiped beyond the Euphrates, or the gods of the Amorites in whose land you are living. But I and my family will worship the Lord!"
Romans 6:12-13
Therefore do not let sin reign in your mortal body so that you obey its desires,
Romans 6:17
But thanks be to God that though you were slaves to sin, you obeyed from the heart that pattern of teaching you were entrusted to,
Romans 6:19-23
(I am speaking in human terms because of the weakness of your flesh.) For just as you once presented your members as slaves to impurity and lawlessness leading to more lawlessness, so now present your members as slaves to righteousness leading to sanctification.