Deuteronomy 15:12

If one of your countrymen, a Hebrew man or woman, becomes your servant for a price and does work for you six years, in the seventh year let him go free.

Jeremiah 34:14

At the end of seven years every man is to let go his countryman who is a Hebrew, who has become yours for a price and has been your servant for six years; you are to let him go free: but your fathers gave no attention and did not give ear.

Leviticus 25:39-41

And if your brother becomes poor and gives himself to you for money, do not make use of him like a servant who is your property;

Exodus 21:2-6

If you get a Hebrew servant for money, he is to be your servant for six years, and in the seventh year you are to let him go free without payment.

Deuteronomy 15:1

At the end of every seven years there is to be a general forgiveness of debt.

John 8:35-36

Now the servant does not go on living in the house for ever, but the son does.

Treasury of Scripture Knowledge

Summary

And if thy brother, an Hebrew man, or an Hebrew woman, be sold unto thee, and serve thee six years; then in the seventh year thou shalt let him go free from thee.

Bible References

General references

Deuteronomy 15:1
At the end of every seven years there is to be a general forgiveness of debt.
Exodus 21:2
If you get a Hebrew servant for money, he is to be your servant for six years, and in the seventh year you are to let him go free without payment.
Leviticus 25:39
And if your brother becomes poor and gives himself to you for money, do not make use of him like a servant who is your property;
Jeremiah 34:14
At the end of seven years every man is to let go his countryman who is a Hebrew, who has become yours for a price and has been your servant for six years; you are to let him go free: but your fathers gave no attention and did not give ear.
John 8:35
Now the servant does not go on living in the house for ever, but the son does.

Basic English, produced by Mr C. K. Ogden of the Orthological Institute - public domain