Romans 6:16
Know ye not, that to whom ye yield yourselves servants in obedience, his servants ye are whom ye obey; whether of sin to death, or of obedience to righteousness?
John 8:34
Jesus answered them, Verily, verily, I say to you, Whoever committeth sin, is the servant of sin.
2 Peter 2:19
While they promise them liberty, they themselves are the servants of corruption: for by whom a man is overcome, by the same is he brought into bondage.
Matthew 6:24
No man can serve two masters: for either he will hate the one, and love the other; or else he will hold to the one, and despise the other. Ye cannot serve God and mammon.
Joshua 24:15
And if it seemeth evil to you to serve the LORD, choose you this day whom ye will serve, whether the gods which your fathers served that were on the other side of the flood, or the gods of the Amorites in whose land ye dwell: but as for me and my house, we will serve the LORD.
Romans 6:12-13
Let not sin therefore reign in your mortal body, that ye should obey it in the lusts of it.
Romans 6:17
But God be thanked, that ye were the servants of sin; but ye have obeyed from the heart that form of doctrine which was delivered you.
Romans 6:19-23
I speak after the manner of men, because of the infirmity of your flesh: for as ye have yielded your members servants to uncleanness and to iniquity, to (work) iniquity; even so now yield your members servants to righteousness, to (work) holiness.