John 8:34
Jesus replied, "Truly, truly I tell you, everyone who commits sin is a slave.
Galatians 5:13
Brothers, you were called to be free; only, do not make your freedom an opening for the flesh, but serve one another in love.
Romans 6:12-14
Sin is not to reign, then, over your mortal bodies and make you obey their passions;
Romans 6:16-22
Do you not know you are the servants of the master you obey, of the master to whom you yield yourselves obedient, whether it is Sin, whose service ends in death, or Obedience, whose service ends in righteousness?
Galatians 5:1
with the freedom for which Christ set us free. Make a firm stand then, do not slip into any yoke of servitude.
2 Timothy 2:26
they may come to their senses again and escape the snare of the devil, as they are brought back to life by God to do his will.
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.
1 Peter 2:16
Live like free men, only do not make your freedom a pretext for misconduct; live like servants of God.
2 Peter 2:20
After escaping the pollutions of the world by the knowledge of our Lord and saviour Jesus Christ, if they get entangled and overpowered again, the last state is worse for them than the first.