Sunan an-Nasai

Hadith #4503

Sahih
العربية
أَخْبَرَنَا قُتَيْبَةُ بْنُ سَعِيدٍ، عَنْ مَالِكٍ، وَاللَّيْثِ، - وَاللَّفْظُ لَهُ - عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، عَنِ النَّبِيِّ صلى الله عليه وسلم أَنَّهُ قَالَ ‏ "‏ لاَ يَبِيعُ أَحَدُكُمْ عَلَى بَيْعِ أَخِيهِ ‏"‏ ‏.‏
English
It was narrated from Ibn 'Umar that the Prophet said:"No one of you should urge someone to cancel a sale he has already agreed upon with his brother so as to sell him his own goods

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