Shu'aib bin Muhammad bin 'Abdullah شعيب بن محمد بن عبد الله بن عمرو · The Book on Business

From his father, from his grandfather, that he went with the Messenger of Allah (ﷺ) to the Musalla, and he saw the people doing business so he said: 'O people of trade!' and they replied to the Messenger of Allah (ﷺ) turning their necks and their gazes towards him, and he said: Indeed the merchants will be resurrected on the Day of judgement with the wicked, except the one who has Taqwa of Allah, who behaves charitably and is truthful.'"…

"A slave came to give the pledge to the Prophet (ﷺ) for Hijrah, but the Prophet (ﷺ) did not realize that he was a slave. So his master came to get him and the Prophet (ﷺ) said: 'Sell him to me.' So he purchased him for two black slaves. Then he would not pledge from anyone until he asked him if he was a slave." There is something on this topic from Anas. The Hadith of Jabir is a Hasan…

That the Prophet (ﷺ) said: "Whoever purchases an animal that has not been milked, then he retains the option for three days. If he returns it, then he is to return with it a Sa' of food, not Samra' " The meaning of "Not Samra'" is "not wheat." This Hadith is Hasan Sahih. This Hadith is acted upon according to our companions, among them Ash-Shafi'i, Ahmad, and Ishaq.

"The Messenger of Allah (ﷺ) prohibited the price of the dog and the cat." There is some confusion (Idtirab) in the chain for this Hadith. The price of a cat is not correct. This Hadith has been reported from Al-A'mash, from some of his companions, from Jabir, and they caused some confusion for Al-A'mash in this narration. There are those among the people of knowledge who disliked the price of a cat, and some of them permitted it. This is…