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31Jesus therefore said to those Jews that had believed him, If ye abide in my word, [then] are ye truly my disciples; 32and ye shall know the truth, and the truth shall make you free. 33They answered unto him, We are Abraham`s seed, and have never yet been in bondage to any man: how sayest thou, Ye shall be made free? 34Jesus answered them, Verily, verily, I say unto you, Every one that committeth sin is the bondservant of sin. 35And the bondservant abideth not in the house for ever: the son abideth for ever. 36If therefore the Son shall make you free, ye shall be free indeed.
John 8:31-36 (ASV)