Muhammad bin Ibrahim bin al-Harith محمد بن إبراهيم بن الحارث · The Book on Business

"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…

That the Prophet (ﷺ) said: "Fulfill the trust for the one who entrusted you, and do not cheat the one who cheated you." This Hadith is Hasan Gharib. Some of the people of knowledge followed this Hadith, they said that when something belonging to a man is with another and he leaves (with it), then he has something that belongs to him, he may not withhold from him an equivalent to what the other took of his. Some of the…