Acts 8:23
For I see you are a bitter poison and a pack of evil."
Hebrews 12:15
see to it that no one misses the grace of God, that no root of bitterness grows up to be a trouble by contaminating all the rest of you;
John 8:34
Jesus replied, "Truly, truly I tell you, everyone who commits sin is a slave.
Romans 6:17-22
Thank God, though you did serve sin, you have rendered whole-hearted obedience to what you were taught under the rule of faith;
Titus 3:3
For we ourselves were once senseless, disobedient, astray, enslaved to all manner of passions and pleasures; we spent our days in malice and envy, we were hateful, and we hated one another.
2 Peter 2:4
For if God did not spare angels who had sinned, but committing them to pits of the nether gloom in Tartarus, reserved them under punishment for doom: