Ishaq bin Ibrahim bin Muhammad إسحاق بن إبراهيم بن محمد · The Book of Financial Transactions

"The Messenger of Allah said: 'The best (most pure) food that a man eats is that which he has earned himself, and his child (and his child's wealth) is part of his earning."

"When two people meet to engage in trade, the transaction between them is not binding until they separate, unless they have chosen to conclude the transaction."

"When two people meet to engage in trade the transaction between them is not binding until they separate, unless they have chosen to conclude the transaction."

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

Abu Al- Qasim said: "Whoever buys a Musarrah, he has the choice (of annulling the deal) for three days. If the wishes ti keep it, he may keep it, and if he wishes to return it, he may return it, along with a Sa of daters, not wheat." (Sahih )

"It was forbidden to us for a town-dweller to sell for a desert-dweller." (Sahih )

the Messenger of Allah forbade meeting traders on the way.

"The Prophet said: ' A heap of grain should not be sold for a heap of grain, or for a heap of grain of known measure. "

he did not like to exchange Dinars for Dirhams or Dirhams for Dinars.

"The Messenger of Allah bought some food from a Jew with payment to be made later, and he put his shield in pledge for that."

"The Messenger of Allah forbade selling the produce several years in advance.

"I heard Iyas bin 'Umar" - and on one occasion he said: "Ibn 'Abd - say: 'I heard the Messenger of Allah forbid the sale of water."

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."

"The best of you is the one who is best in repaying."