al-Husain bin Hryth الحسين بن حريث · The Book of Financial Transactions

The Messenger of Allah said: "No town-dweller should sell for a desert-dweller, do not artificially inflate prices, no man should urge a seller to cancel a sale already agreed upon with another buy so as to by the goods himself, no one should make a proposal over the proposal of his brother and no woman should make a proposal over the proposal of his brother and no woman should ask for her sister in faith) to be divorced so as…

"The Messenger of Allah bought some food from a Jew on credit, and he gave him a shield of his as a pledge. "