Acts 8:23
for I see thou art in the gall of bitterness and the bond of iniquity.
Hebrews 12:15
looking diligently lest any one may fail from the grace of God; lest any root of bitterness springing up may trouble you, and through it many may be defiled;
John 8:34
Jesus responded to them, Truly, truly, I say unto you, That every one doing sin is the slave of sin.
Romans 6:17-22
But thanks be unto God, that whereas ye were servants of sin, but you have obeyed from the heart the type of teaching into which ye were delivered:
Titus 3:3
For when we also were without understanding, being disobedient, deceived, serving divers lusts and pleasures, living in sin and envy, hateful, hating one another;
2 Peter 2:4
For if God spared not the angels who sinned, but having sent them down to hell, committed them to chains of darkness to be kept unto judgment;
2 Peter 2:19
promising them liberty, they themselves being the slaves of corruption: for to whatsoever any one has been subordinated, to this he has become enslaved.