לֹא־תַשִּׁ֣יךְ לְאָחִ֔יךָ נֶ֥שֶׁךְ כֶּ֖סֶף נֶ֣שֶׁךְ אֹ֑כֶל נֶ֕שֶׁךְ כָּל־דָּבָ֖ר אֲשֶׁ֥ר יִשָּֽׁךְ׃
Não emprestarás a teu irmão com juros, seja dinheiro ou comida, ou qualquer coisa sobre a qual se possa cobrar juros.
Mishnah Bava Metzia
These are the one who transgress a negative commandment: the lender, the borrower, the guarantor, and the witnesses. And the Sages say, “The scribe also.” They transgress the commandment, “You will not give him your money upon interest” (Leviticus 25:37), and “You shall not take usury from him” (Leviticus 25:36) and “You shall not be to him as a creditor” (Exodus 22:24), and “Nor shall you place upon him usury” (ibid.) and “You shall not put a stumbling block before the blind, and you will fear your God, I am the Lord” (Leviticus 19:14).