Sahih al-Bukhari 2126
Book 34: Sales and Trade · Narrated by `Abdullah ibn `Umar
Arabic
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنْ نَافِعٍ، عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ ـ رضى الله عنهما ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " مَنِ ابْتَاعَ طَعَامًا فَلاَ يَبِيعُهُ حَتَّى يَسْتَوْفِيَهُ ".
English translation
Narrated `Abdullah ibn `Umar:Allah's Messenger (ﷺ) said, "He who buys foodstuff should not sell it till he is satisfied with the measure with which he has bought it
Reference: Sahih al-Bukhari 2126, Book of Sales and Trade. English translation by Dr. Muhammad Muhsin Khan.