2 Peter 2:19

promising them freedom, though they are slaves of destruction themselves; for a man is the slave of anything that conquers him.

John 8:34

Jesus answered them, "I most solemnly say to you, everyone who lives in sin is a slave of sin.

Galatians 5:13

For you, brothers, were called to freedom; only you must not let your freedom be an excuse for the gratification of your lower nature, but in love be slaves to one another.

Romans 6:12-14

Accordingly, sin must not continue to reign over your mortal bodies, so as to make you continue to obey their evil desires,

Romans 6:16-22

Do you not know that when you habitually offer yourselves to anyone for obedience to him, you are slaves to that one whom you are in the habit of obeying, whether it is the slavery to sin whose end is death or to obedience whose end is right-doing?

Galatians 5:1

This is the freedom with which Christ has made us free. So keep on standing in it, and stop letting your necks be fastened in the yoke of slavery again.

2 Timothy 2:26

and they might recover their senses and escape from the devil's trap in which they have been caught by him to do his will.

Titus 3:3

For once we too were without understanding, disobedient, misled, habitual slaves to all sorts of passions and pleasures, spending our lives in malice and envy.

1 Peter 2:16

Live like free men, only do not make your freedom a pretext for doing evil, but live like slaves of God.

2 Peter 2:20

For if, after men have escaped the corrupting ways of the world through a full knowledge of the Lord and Saviour Jesus Christ, they again become entangled in them and are conquered by them, then their last condition is worse than their former one.

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
This is the freedom with which Christ has made us free. So keep on standing in it, and stop letting your necks be fastened in the yoke of slavery again.
1 Peter 2:16
Live like free men, only do not make your freedom a pretext for doing evil, but live like slaves of God.

They themselves

John 8:34
Jesus answered them, "I most solemnly say to you, everyone who lives in sin is a slave of sin.
Romans 6:12
Accordingly, sin must not continue to reign over your mortal bodies, so as to make you continue to obey their evil desires,
Titus 3:3
For once we too were without understanding, disobedient, misled, habitual slaves to all sorts of passions and pleasures, spending our lives in malice and envy.

Overcome

2 Peter 2:20
For if, after men have escaped the corrupting ways of the world through a full knowledge of the Lord and Saviour Jesus Christ, they again become entangled in them and are conquered by them, then their last condition is worse than their former one.
2 Timothy 2:26
and they might recover their senses and escape from the devil's trap in which they have been caught by him to do his will.

General references

Luke 14:30
and say, 'This fellow started to erect a building but could not complete it!'
Luke 17:32
Remember Lot's wife!