לַנָּכְרִ֣י תַשִּׁ֔יךְ וּלְאָחִ֖יךָ לֹ֣א תַשִּׁ֑יךְ לְמַ֨עַן יְבָרֶכְךָ֜ יְהוָ֣ה אֱלֹהֶ֗יךָ בְּכֹל֙ מִשְׁלַ֣ח יָדֶ֔ךָ עַל־הָאָ֕רֶץ אֲשֶׁר־אַתָּ֥ה בָא־שָׁ֖מָּה לְרִשְׁתָּֽהּ׃ (ס)
Иностранцу ты можешь давать взаймы под проценты; но брату твоему не будешь давать взаймы; да благословит тебя Господь, Бог твой, во всем, что ты положил руку твою, на землю, в которую ты идешь, чтобы овладеть ею.
Mishneh Torah, Negative Mitzvot
Not to delay bringing vowed or free-will*An offering is vowed, when a particular beast has been set apart for sacrifice. A free-will offering is so called when one promised to bring a special kind of sacrifice without setting apart a particular beast. offerings, as it is said, “(When thou shalt vow a vow unto the Lord, thy God) thou shalt not delay to pay it” (Deut. 23:22).
Mishneh Torah, Positive Mitzvot
To lend to an alien at interest, as it is said, “Unto a stranger, thou mayest lend upon interest” (Deut. 23:21). According to tradition, this is mandatory*R. Abraham Ben David criticizes this view and regards it as permissive..
Mishneh Torah, Positive Mitzvot
To restore lost property, as it is said, “Thou shalt surely bring them back unto thy brother” (Deut. 22:1).