Leviticus 25:37

37 aYou shall not lend him your money at interest, nor give him your food for profit.

Deuteronomy 23:19-20

19 b“You shall not charge interest on loans to your brother, cinterest on money, interest on food, interest on anything that is lent for interest. 20 dYou may charge a foreigner interest, but you may not charge your brother interest, ethat 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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