حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ أَخْبَرَنَا مَالِکٌ عَنْ عَبْدِ اللَّهِ بْنِ دِينَارٍ عَنْ عَبْدِ اللَّهِ بْنِ عُمَرَ رَضِيَ اللَّهُ عَنْهُمَا أَنَّ رَجُلًا ذَکَرَ لِلنَّبِيِّ صَلَّی اللَّهُ عَلَيْهِ وَسَلَّمَ أَنَّهُ يُخْدَعُ فِي الْبُيُوعِ فَقَالَ إِذَا بَايَعْتَ فَقُلْ لَا خِلَابَةَ
صحیح بخاری · Hadith 2117
Narrated `Abdullah bin `Umar: A person came to the Prophet and told him that he was always betrayed in purchasing. The Prophet told him to say at the time of buying, "No cheating."
Translated by Dr. Muhammad Muhsin Khan · Reviewed by Islamic University of Madinah · Published March 2020