Abdur Rahman bin Mahdi عبد الرحمن بن مهدي · 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…

] This Hadith is Sahih.

"The Messenger of Allah (ﷺ) prohibited selling grapes until they appear and selling grains until they become firm." This Hadith is Hasan Gharib, we do not know of it being Marfu' except from the narration of Hammad bin Salamah.

That the Prophet (ﷺ) said: "They (the two) are not separate from a sale except in agreement. This Hadith is Gharib.

"A man from (the tribe of) Kilab asked the Messenger of Allah (ﷺ) about studding a stallion and he prohibited it. So he said: 'O Messenger of Allah! We stud the stallions so that we get honorarium (from the owners of the female horse)!' So he permitted it for honorarium." This Hadith is Hasan Gharib, we do not know of it except as a narration of Ibrahim bin Humaid, from Hisham bin 'Urwah.

That the Messenger of Allah (ﷺ) said: "Ours is not a bad example: The one who takes back his gift is like the dog who takes back his vomit." On this topic, there is the narration from Ibn 'Umar from the Prophet (ﷺ) that he said: "It is not lawful for anyone that has given a gift to take it back, except for a father who gives something to his son."

"A man behaved in a rude manner while trying to collect a debt from the Messenger of Allah (ﷺ). So his Companions were about to harm him. The Messenger of Allah (ﷺ) said: 'Leave him, for indeed the owner of the the right has the right to speak.' Then he said: 'Purchase a camel for him and give it to him.' So they searched out but they did not find a camel but of a better ager than his camel.…