Deuteronomy 15:16

Modern King James Version

And if he says to you, I will not go away from you, because he loves you and your house, because it has been good for him with you;

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Sacrifice and offering You did not desire; My ears You have opened; burnt offering and sin offering You have not asked.

I delight to do Your will, O My God; and Your Law is within My heart.

And you shall remember that you were a slave in the land of Egypt, and Jehovah your God redeemed you. Therefore I command you this thing today.

then you shall take an awl and put it through his ear to the door, and he shall be your servant forever. And also to your slave-girl you shall do so.