Jeremiah 34:9-14

9so that everyone should let his manservant and his maidservant—Hebrew man or Hebrew woman—go free, so that no one should make a slave of a Jew, his brother.

10So all the princes and all the people obeyed, who had entered into the covenant, that everyone would free his manservant and his maidservant and not make them slaves any more—they obeyed, and freed them.

11But afterward they turned around and made the servants and the handmaids, whom they had let go free, return, and brought them back into subjection as servants and as handmaids.”

12So the word of Adonai came to Jeremiah from Adonai, saying,

13thus says Adonai, the God of Israel: “I made a covenant with your fathers in the day that I brought them out of the land of Egypt, out of the house of bondage, saying:

14‘At the end of seven years you are to set free every man his brother that is a Hebrew who has been sold to you and has served you six years; you are let him go free from you.’ But your fathers did not obey Me, nor inclined their ear.