John 8:34

"In solemn truth I tell you," Jesus replied, "every one who commits sin is a slave

Romans 6:16

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?

2 Peter 2:19

They promise them liberty, while they themselves are slaves of rottenness! (For indeed a man is the slave of anything which masters him.)

John 3:3

"In very truth I tell you," answered Jesus, "that unless a man is born from above, he cannot see the kingdom of God."

Titus 3:3

For we were ourselves once foolish, disobedient, deceived, slaving for various lusts and pleasures, passing our lives in malice and envy. We were hateful, and we hated one another.

Matthew 5:18

"In solemn truth I tell you that until heaven and earth pass away, not an iota, not a comma, will pass from the Law until all has taken place.

Acts 8:23

"For I perceive that you still stand in the gall of bitterness and in the bondage of unrighteousness."

Romans 6:6

For this we know, that our old self was crucified with Christ, in order that the slave of sin might be destroyed; so that we should no longer be in slavery to sin??7 for he who is dead is set free from sin.

Romans 6:12

Therefore let not sin rule as king in your mortal body, compelling you to obey its lusts.

Romans 7:14

For we know that the Law is spiritual; but as for me, I am a creature of flesh, bought and sold under the dominion of sin.

Romans 7:25

Oh, thank God! it is through Jesus Christ our Lord. So then I myself in my will am in thralldom to the law of God; yet in my animal nature I am in thralldom to the law of sin.

Ephesians 2:2

in which you passed your lives after the way of this world, under the sway of the Prince of the Powers of the Air, the spirit who is now working among the sons of disobedience.

1 John 3:8-10

He who is committing sin is of the devil, because from the beginning of the devil is sinning. It was for this cause that the Son of God was manifested, that he might destroy the works of the devil.

Treasury of Scripture Knowledge

Summary

Jesus answered them, Verily, verily, I say unto you, Whosoever committeth sin is the servant of sin.

Bible References

Whosoever

Acts 8:23
"For I perceive that you still stand in the gall of bitterness and in the bondage of unrighteousness."
Romans 6:6
For this we know, that our old self was crucified with Christ, in order that the slave of sin might be destroyed; so that we should no longer be in slavery to sin??7 for he who is dead is set free from sin.
Romans 7:14
For we know that the Law is spiritual; but as for me, I am a creature of flesh, bought and sold under the dominion of sin.
Ephesians 2:2
in which you passed your lives after the way of this world, under the sway of the Prince of the Powers of the Air, the spirit who is now working among the sons of disobedience.
Titus 3:3
For we were ourselves once foolish, disobedient, deceived, slaving for various lusts and pleasures, passing our lives in malice and envy. We were hateful, and we hated one another.
2 Peter 2:19
They promise them liberty, while they themselves are slaves of rottenness! (For indeed a man is the slave of anything which masters him.)
1 John 3:8
He who is committing sin is of the devil, because from the beginning of the devil is sinning. It was for this cause that the Son of God was manifested, that he might destroy the works of the devil.