Exodus 21:2
"If thou buy an Hebrew servant, six years he shall serve: and in the seventh he shall go out free for nothing."
Cross References (ranked by relevance)
It shall not seem hard unto thee, when thou sendest him away free from thee; for he hath been worth a double hired servant to thee, in serving thee six years: and the LORD thy God shall bless thee in all that thou doest.
But every man’s servant that is bought for money, when thou hast circumcised him, then shall he eat thereof.
And Moses commanded them, saying, At the end of every seven years, in the solemnity of the year of release, in the feast of tabernacles,
If the sun be risen upon him, there shall be blood shed for him; for he should make full restitution; if he have nothing, then he shall be sold for his theft.
At the end of every seven years thou shalt make a release.
And I said unto them, We after our ability have redeemed our brethren the Jews, which were sold unto the heathen; and will ye even sell your brethren? or shall they be sold unto us? Then held they their peace, and found nothing to answer.
For ye are bought with a price: therefore glorify God in your body, and in your spirit, which are God’s.
But forasmuch as he had not to pay, his lord commanded him to be sold, and his wife, and children, and all that he had, and payment to be made.
Therefore God give thee of the dew of heaven, and the fatness of the earth, and plenty of corn and wine:
Now there cried a certain woman of the wives of the sons of the prophets unto Elisha, saying, Thy servant my husband is dead; and thou knowest that thy servant did fear the LORD: and the creditor is come to take unto him my two sons to be bondmen.
And he said, Is not he rightly named Jacob? for he hath supplanted me these two times: he took away my birthright; and, behold, now he hath taken away my blessing. And he said, Hast thou not reserved a blessing for me?