Deuteronomy 23:19-20 - Interest On Loans
19 "{You shall not charge your brother interest on money}, interest on food, or interest on anything that one could lend on interest 20 You may lend on interest to the foreigner, but to your countryman you may not lend on interest, so that Yahweh your God may bless you {in all your undertakings} in {the land where you are going}, {in order to take possession of it}.