Zayd bin Aslam زيد بن أسلم · The Book of Financial Transactions

"Ubadah bin As-Samit and Muawiyah met at a stopping place on the road. 'Ubadah said: 'The Messenger of Allah forbade us to sell gold for gold, silver for silver, wheat for wheat, barley for barley, dates for dates"' - one of them said: "salt for salt, " but the other did not say "unless it was equal amount for equal amount, like for like." One of them said: "Whoever gives more or takes more has engaged in Riba," but the…

they used to buy foold from the riders at the time of the Messenger of Allah and he forbade them to sell it in the place where they had bought it until they moved it to the food market.

the Prophet sold a Mudabbar.

"We were sitting with the Messenger of Allah when he raised his head toward the sky, and put his palm on his forehead, then he said: 'Subhan Allah, what a stern warning has been revealed! We fell silent and were scared. The following day I asked him: 'O Messenger of Allah, what is this stern warning that has been revealed? He said: 'By the One in Whose hand is my soul, if a man were to be killed in the…