Al-Kāfi - The Book of Food

الْحُسَيْنُ بْنُ ٠َّدٍ عَنِ السَّيَّارِيِّ عَنْ عُبَيْدِ اللَّهِ بْنِ أَبِي عَبْدِ اللَّهِ الْفَارِسِيِّ عَ٠َّنْ ذَكَرَهُ عَنْ أَبِي عَبْدِ اللَّهِ ( عليه السلا٠) قَالَ قَالَ لَهُ رَجُلٌ إِنِّي أَكَلْتُ لَبَناً فَضَرَّنِي قَالَ فَقَالَ لَهُ أَبُو عَبْدِ اللَّهِ ( عليه السلا٠َا يَضُرُّ لَبَنٌ قَطُّ وَ لَكِنَّكَ أَكَلْتَهُ ٠َعَ غَيْرِهِ فَضَرَّكَ الَّذِي أَكَلْتَهُ فَظَنَنْتَ أَنَّ ذَلِكَ ٠4.

Al-Husayn from Muhammad has narrated from al-Sayyariy from ‘Ubayd Allah ibn abu ‘Abd Allah al-Farsiy from those whom he has mentioned who has said the following: “Once, a man said to abu ‘Abd Allah (a.s.), ‘I eat milk products and they harm me.’ Abu ‘Abd Allah (a.s.), said to him, ‘No, by Allah, milk never harms; but you may have eaten something else with it which has harmed you, but you thought it is milk.’” شهور - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (2/167))