Amir al-Sha'bi عامر الشعبي · The Book on Business

"The Messenger of Allah (S) came to us, and we were what was called 'brokers,' he said: 'O people of trade! Indeed the Shaitan and sin are present in the sale, so mix your sales with charity.'" He said: There are narrations on this topic from Al-Bara' bin 'Azib and Rifa'ah. The Hadith of Qais bin Abi Gharazah (a narrator) is a Hasan Sahih Hadith. Mansur, Al-A'mash, Habib bin Abi Thabit and others reported it from Abu Wa'il, from Qais…

"The truthful, trustworthy merchant is with the Prophets, the truthful, and the martyrs." This Hadith is Hasan, we do not know it except from this route, a narration of Ath-Thawri from Abu Hamzah. Abu Hamzah's name is 'Abdullah bin Jabir, and he is a Shaikh from Al-Basrah.

(Another chain) from Abu Hamzah, with this chain of narration, and it is similar.

"The Messenger of Allah (ﷺ) prohibited me from selling what was not with me." This Hadith is Hasan. He said: There is something on this topic from 'Abdullah bin 'Umar. Ishaq bin Mansur said: "I said to Ahmad: 'What is the meaning of the prohibition from a loan along with a sale? He said: 'That he gives him a loan and then he makes a sale to him greater then it's actual worth. And, it carries the meaning of him…

From Ibn 'Umar, that the Messenger of Allah (ﷺ) said: "Both the buyer and the seller retain the option as long as they have not separated or they give each other than option." He (Nafi') said: "So when Ibn 'Umar purchased something while he was sitting, he would stand to complete the sale."

That the Messenger of Allah (ﷺ) said: "Both the buyer and the seller retain the option as long as they have not separated. If they spoke the truth and clarified (any defects or conditions), then they would be blessed in their sale, and if they hid something and lied then their sale would be deprived of blessings." And this is a Sahih Hadith. This is how it was reported from Abu Barzah Al-Aslami, that two men came disputing to him…