John 8:31-34

³¹Jesus therefore said to the Jews who believed him, If ye abide in my word, ye are truly my disciples;

³²and ye shall know the truth, and the truth shall set you free.

³³They answered him, We are Abraham's seed, and have never been under bondage to any one; how sayest thou, Ye shall become free?

³⁴Jesus answered them, Verily, verily, I say to you, Every one that practises sin is the bondman of sin.