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 8:34

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

Galatians 5:13

Remember, Brothers, to you the Call came to give you freedom. Only do not make your freedom an opportunity for self-indulgence, but serve one another in a loving spirit.

Romans 6:12-14

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

Romans 6:16-22

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.

Galatians 5:1

It is for freedom that Christ set us free; stand firm therefore, and do not again be held under the yoke of slavery.

2 Timothy 2:26

and they may yet come to a sober mind, and escape from the snares of the Devil, when captured by the Lord's Servant to do the will of God.

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.

1 Peter 2:16

Act as free men, yet not using your freedom as those do who make it a cloak for wickedness, but as Servants of God.

2 Peter 2:20

If, after having escaped the polluting influences of the world, through knowing our Lord and Savior, Jesus Christ, men are again entangled in them, and give way to them, their last state has become worse than their first.

Treasury of Scripture Knowledge

Summary

While they promise them liberty, they themselves are the servants of corruption: for of whom a man is overcome, of the same is he brought in bondage.

They themselves

General references

Bible References

They promise

Galatians 5:1
It is for freedom that Christ set us free; stand firm therefore, and do not again be held under the yoke of slavery.
1 Peter 2:16
Act as free men, yet not using your freedom as those do who make it a cloak for wickedness, but as Servants of God.

They themselves

John 8:34
"In truth I tell you," replied Jesus, "every one who sins is a slave to sin.
Romans 6:12
Therefore do not let Sin reign in your mortal bodies and compel you to obey its cravings.
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.

Overcome

2 Peter 2:20
If, after having escaped the polluting influences of the world, through knowing our Lord and Savior, Jesus Christ, men are again entangled in them, and give way to them, their last state has become worse than their first.
2 Timothy 2:26
and they may yet come to a sober mind, and escape from the snares of the Devil, when captured by the Lord's Servant to do the will of God.

General references

Luke 14:30
And say 'Here is a man who began to build and was not able to finish!'
Luke 17:32
Remember Lot's wife.