Jeremiah 34:10-12

New King James Version

¹⁰ Now when all the princes and all the people, who had entered into the covenant, heard that everyone should set free his male and female slaves, that no one should keep them in bondage anymore, they obeyed and let them go. ¹¹ But afterward they changed their minds and made the male and female slaves return, whom they had set free, and brought them into subjection as male and female slaves.

¹² Therefore the word of the Lord came to Jeremiah from the Lord, saying,