Book 58: Not to cancel a bargain already agreed upon
Sahih al-Bukhari
Sahih al-Bukhari 2139
Isma'il related to us; he said: Malik told me. He narrated from Nafi', and Nafi' from Hazrat Abdullah bin Umar (ra), that the Messenger of Allah (saw) said: “None of you should make a sale over the sale of his brother.”
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Sahih al-Bukhari 2140
Ali bin Abdullah (al-Madini) related to us that Sufyan (bin Uyainah) told us that Az-Zuhri related to us. He narrated from Sa'id bin Musayyab, and Sa'id from Hazrat Abu Hurairah (ra). He said: The Messenger of Allah (saw) forbade that a town dweller should sell on behalf of a desert dweller; and do not raise the price against one another in order to deceive; no one should make a deal over the deal of his brother, nor make a proposal of marriage over the proposal of his brother; and no woman should seek the divorce of her sister with the intention of emptying for herself what is in her vessel.
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