رَوَى إِسْمَاعِيلُ بْنُ مُسْلِمٍ عَنْ أَبِي عَبْدِ اَللَّهِ عَلَيْهِ اَلسَّلاَمُ قَالَ: "نَهَى رَسُولُ اَللَّهِ صَلَّى اَللَّهُ عَلَيْهِ وَ آلِهِ أَنْ يُشَابَ اَللَّبَنُ بِالْمَاءِ لِلْبَيْعِ".
Isma'il ibn Muslim narrated from Abu Abdullah (a.s): "The Messenger of Allah (swt) (peace and blessings be upon him and his family) forbade mixing milk with water for sale."