Deuteronomy 23:19-20

19 a  “You shall not charge interest on loans to your brother b  interest on money, interest on food, interest on anything that is lent for interest. 20 c  You may charge a foreigner interest, but you may not charge your brother interest d  that the  Lord your God may bless you in all that you undertake in the land that you are entering to take possession of it.

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