John 8:34

"In truth I tell you," replied Jesus, "every one who sins is a slave to sin.

Romans 6:16

Surely you know that, when you offer yourselves as servants, to obey any one, you are the servants of the person whom you obey, whether the service be that of Sin which leads to Death, or that of Duty which leads to Righteousness.

2 Peter 2:19

They promise them freedom, while they themselves are slaves to corrupt habits; for a man is the slave of anything to which he gives way.

John 3:3

"In truth I tell you," exclaimed Jesus, "unless a man is reborn, he cannot see the Kingdom of God."

Romans 6:19-20

I can but speak as men do because of the weakness of your earthly nature. Once you offered every part of your bodies to the service of impurity, and of wickedness, which leads to further wickedness. Now, in the same way, offer them to the service of Righteousness, which leads to holiness.

Titus 3:3

There was, you remember, a time when we ourselves were foolish, disobedient, misled, slaves to all kinds of passions and vices, living in a spirit of malice and envy, detested ourselves and hating one another.

Matthew 5:18

For I tell you, until the heavens and the earth disappear, not even the smallest letter, nor one stroke of a letter, shall disappear from the Law until all is done.

Acts 8:23

For I see that you have fallen into the 'bitterness of envy' and the 'fetters of sin.'"

Romans 6:6

We recognize the truth that our old self was crucified with Christ, in order that the body, the stronghold of Sin, might be rendered powerless, so that we should no longer be slaves to Sin.

Romans 6:12

Therefore do not let Sin reign in your mortal bodies and compel you to obey its cravings.

Romans 7:14

We know that the Law is spiritual, but I am earthly-sold into slavery to Sin.

Romans 7:25

Thank God, there is deliverance through Jesus Christ, our Lord! Well then, for myself, with my reason I serve the Law of God, but with my earthly nature the Law of Sin.

Romans 8:21

Yet not without the hope that some day Nature, also, will be set free from enslavement to decay, and will attain to the freedom which will mark the Glory of the Children of God.

Ephesians 2:2

For at one time you lived in sin, following the ways of the world, in subjection to the Ruler of the Powers of the air--the Spirit who is still at work among the disobedient.

1 John 3:8-10

He who lives sinfully belongs to the Devil, for the Devil has sinned from the first. It was for this that the Son of God appeared, that he might undo the Devil's work.

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 see that you have fallen into the 'bitterness of envy' and the 'fetters of sin.'"
Romans 6:6
We recognize the truth that our old self was crucified with Christ, in order that the body, the stronghold of Sin, might be rendered powerless, so that we should no longer be slaves to Sin.
Romans 7:14
We know that the Law is spiritual, but I am earthly-sold into slavery to Sin.
Romans 8:21
Yet not without the hope that some day Nature, also, will be set free from enslavement to decay, and will attain to the freedom which will mark the Glory of the Children of God.
Ephesians 2:2
For at one time you lived in sin, following the ways of the world, in subjection to the Ruler of the Powers of the air--the Spirit who is still at work among the disobedient.
Titus 3:3
There was, you remember, a time when we ourselves were foolish, disobedient, misled, slaves to all kinds of passions and vices, living in a spirit of malice and envy, detested ourselves and hating one another.
2 Peter 2:19
They promise them freedom, while they themselves are slaves to corrupt habits; for a man is the slave of anything to which he gives way.
1 John 3:8
He who lives sinfully belongs to the Devil, for the Devil has sinned from the first. It was for this that the Son of God appeared, that he might undo the Devil's work.