Waki' bin al-Jarrah وكيع بن الجراح · The Book of Financial Transactions

"Two traders have the choice as long as they have not separated, or, they have chosen to conclude the transaction."

"On the Day of Khaibar I got a necklace containing gold and gems, and I wanted to sell it. Mention of that was made to the Prophet and he said: 'Take it apart, and then sell it."'

"The Messenger of Allah forbade selling silver for silver and gold for gold, unless it was of equal amounts. And he told us to sell gold for silver however we wanted, and silver for gold however we wanted.

"We will sell her to you on condition that her loyalty (Walla) is to us," She mentioned that top the Messenger of Allah and he said: "That should not stop you. Loyalty belongs to the one who sets the slave free."

"Go back to your masters, and if they agree to let me pay off your contract of manumission, and let your loyalty be to me, then I will do it" Barirah told her masters about that, but they refused and said: "If she wants to seek reward (with Allah) by freeing you, let her do so, but your loyalty will be to us." She told the Messenger of Allah about that , and the Messenger of Allah said to her;…

there was the governor of Al-Yamamah, and Marwan wrote to him saying that Mu'awiyah had written to him, saying that any man who had something stolen from him had more right to it wherever he found it. Then Marwan wrote saying that to me (Usaid). I wrote to Marwan saying that the Prophet had ruled that if the one who bought it from the one who stole it is ot guilty of anything (and did not realize that it was…

"The Prophet borrowed forty thousand from me, then some wealth came to him, and he paid me back and said: 'May Allah bless your family and your wealth for you: the reward for lending is praise and repayment."