Yusuf bin Hmad يوسف بن حماد · The Book of Financial Transactions

"The Messenger of Allah said: '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.,'"

"We were traveling with the Messenger of Allah and I was riding a camel. The Messenger of Allah said to me: 'Will you sell it to me for such and such, may Allah forgive you?', I said, I said, 'Yes, it is yours, O Prophet of Allah.' He said: 'Will you sell it to me for such and such, may Allah forgive your?' I said: 'Yes, it is yours, O Prophet of "Allah.' He said: 'Will you sell it to…