Hammad bin Zayd حماد بن زيد بن درهم الأزدي الأزرق · The Book on Business

"The Messenger of Allah (ﷺ) cursed the one who consumed Riba, and the one who charged it, those who witnessed it, and the one who recorded it." He said: There are narrations on this topic from 'Umar, 'Ali, Jabir . The Hadith of 'Abdullah (bin Mas'ud) is a Hasan Sahih Hadith.

"Associating partners with Allah, disobeying parents, killing oneself, and false speech." He said: There are narrations on this topic from Abu Bakrah, Ayman bin Khuraim, and Ibn 'Umar Abu 'Eisa said: The Hadith of Anas is a Hasan Sahih Gharib Hadith.

From Abu Hurairah who said: "The price of a dog was prohibited, except for the hunting dog." This Hadith is not correct from this route. Abu Al-Muhazzim's name is Yazid bin Sufyan, and Shu'bah bin Al-Hajjaj criticized him and graded him weak. Similar to this has been reported from Jabir, from the Prophet (ﷺ), but its chain is also not correct.

That the Messenger of Allah (ﷺ) said: "None of you is to sell over the sale of others, nor to propose over the proposal of others." There are narration on this topic from Abu Hurairah and Samurah. The Hadith of Ibn 'Umar is a Hasan Sahih Hadith. And it has been reported from the Prophet (ﷺ) that he said: "Do not haggle in competition with your brother's haggling." And the meaning of sale in this Hadith of the Prophet (ﷺ),…