Ibn Ishaq محمد بن إسحاق بن يسار‎ · The Book on Business

"The Messenger of Allah (ﷺ) prohibited the Gharar sale, and the Hasah sale." There are narrations on this topic from Ibn 'Umar, Ibn 'Abbas, Abu Sa'eed, and Anas. This Hadith of Abu Hurairah is Hasan Sahih Hadith. This Hadith is acted upon according to the people of knowledge, they dislike the Gharar. Ash-Shafi'i said: "The Gharar sale includes selling fish that are in the wate, selling a slave that has escaped, selling birds that are in the sky, and similar…

"The Messenger of Allah (ﷺ) gave me on Dinar to purchase a sheep for him. So I purchased two sheeps for him, and I sold one of them for a Dinar. So I returned with the sheep and the Dinar to the Prophet (ﷺ), and I mentioned what had happened and he said: 'May Allah bless you in your business dealings.' After that we went to Kunasah in Al-Kufah, and he made tremendous profits. He was among the wealthiest of…

"The Messenger of Allah (ﷺ) prohibited Al-Muhaqalah, Al-Muzabanah, Al-Mukhabarah, and making an exception (in a sale) unless it is made known." This Hadith is Hasan Sahih, Gharib from this route as narration of Yunus bin 'Ubaid, from 'Ata, from Jabir.