Romans 6:16
Know ye not that, unto whom ye are presenting yourselves as servants for obedience, servants ye are unto him unto whom ye are obedient, whether of sin unto death or of obedience unto righteousness?
John 8:34
Jesus answered them, Verily, verily, I say unto you: Every one who committeth sin, is, a slave, of sin:
2 Peter 2:19
Promising, freedom to them, they themselves, being all the while, slaves of corruption, - for, by whom one hath been defeated, by the same, hath he become enslaved, -
Matthew 6:24
No one, unto two masters, can be in service; for either, the one, he will hate, and, the other ,love, or, one, he will hold to, and, the other, despise: Ye cannot be in service, unto God, and, unto Riches.
Joshua 24:15
But, if it be, a vexation, in your eyes, to serve Yahweh, choose ye for yourselves, to-day, whom ye will serve, whether the gods which your fathers served, that were beyond the River, or the gods of the Amorites, in whose land ye are dwelling, - but, I and my house, will serve Yahweh.
Romans 6:12-13
Let not sin, therefore, reign in your death-doomed body, that ye should be obedient to its covetings;
Romans 6:17
But thanks be unto God, that - whereas ye were servants of sin, ye became obedient out of the heart unto the mould of teaching into which ye were delivered;
Romans 6:19-23
In human fashion am I speaking, because of the weakness of your flesh; - for, just as ye presented your members as servants unto impurity and unto lawlessness for lawlessness, so now, present ye your members as servants unto righteousness for sanctification.