Acts 8:23
for I perceive that thou art in the gall of bitterness and bond of iniquity.
Hebrews 12:15
looking to it, least there be any one falling short of the grace of God, least any root of bitterness springing up should be troublesome, and by it many be defiled:
John 8:34
Jesus answered them, Verily, verily I say unto you, whosoever maketh a practice of sin, is the servant of sin.
Romans 6:17-22
But thanks be to God, that ye who were servants of sin, have obeyed from the heart that form of doctrine which was delivered to you:
Titus 3:3
For we also were formerly foolish, disobedient, going astray, enslaved to various disorderly appetites and pleasures, living in malice and envy, hateful, and hating one another.
2 Peter 2:4
For if God spared not the angels that sinned, but cast them down to hell, and delivered them into chains of darkness, to be reserved unto judgement; and if He spared not the old world,
2 Peter 2:19
promising them liberty, while they themselves are the slaves of corruption: for by whom any one is vanquished, by him he is also enslaved.