Sunan an-Nasa'i, Volume 5, Book 44, Hadith 4523 (DarusSalam)

; It was narrated from Ibn 'Uar that the Messenger of Allah said: "Do not sell fruits until their condition is known. And he forbade (both) the seller and the purchaser (to engage in such a transaction).

أَخْبَرَنَا قُتَيْبَةُ، قَالَ حَدَّثَنَا اللَّيْثُ، عَنْ نَافِعٍ، عَنِ ابْنِ عُمَرَ، عَنْ رَسُولِ اللَّهِ صلى الله عليه وسلم قَالَ ‏ "‏ لاَ تَبِيعُوا الثَّمَرَ حَتَّى يَبْدُوَ صَلاَحُهُ ‏" ‏ ‏.‏ نَهَى الْبَائِعَ وَالْمُشْتَرِيَ ‏.‏

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