The Book of Transactions (Kitab Al-Buyu`)

Muslim :: Book 10 : Hadith 3619

Abu Huraira reported Allah's Messenger (may peace be upon him) as saying: A Muslim should not purchase (in opposition) to his brother. This hadith has been narrated on the authority of Abu Huraira through another chain of transmitters but with a slight change of words.

Source materials are from the University of Southern California MSA site
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