Acts 8:23
For I can see that your life is as bitter gall [i.e., very evil] and you are enslaved by [your] sins."
Hebrews 12:15
Look carefully [at how you are living] so that no one falls away from God's unearned favor, and that no "poisonous plant sprouts up" to cause trouble and corrupt many people [Note: This is an analogy from Deut. 29:16-18 being used as a warning against the evil influence of wicked people],
John 8:34
Jesus answered them, "Truly, truly, I tell you, everyone who commits sin is the slave of sin.
Romans 6:17-22
Thank God that you people, who were once slaves to [the practice of] sin, became obedient from [your] heart to the pattern of teaching [i.e., the Gospel message] you committed yourself to.
Titus 3:3
For we [Christians] were also once foolish, disobedient, deceived, enslaved to various kinds of [evil] desires and [sinful] pleasures. [We used to] live in malice and envy, hating people and being hated by them.
2 Peter 2:4
For if God did not spare sinning angels, but cast them in chains, into deep, dark dungeons to await judgment;
2 Peter 2:19
[Although] these people promise "liberty," they themselves are slaves to corrupting influences, for people are slaves to whatever controls them.