Al-Kāfi - The Book of Commerce

Al-Kāfi - The Book of Commerce Chapter: Excellence of Using Measuring and Weighing Tools َّدُ بْنُ يَحْيَى عَنْ أَحْ٠َاعِيلَ عَنْ حَنَانٍ قَالَ كُنْتُ جَالِساً عِنْدَ أَبِي عَبْدِ اللهِ (عَلَيْهِ السَّلا٠َّرٌ الزَّيَّاتُ إِنَّإ؛(( نَشْتَرِي الزَّيْتَ فِي زِقَاقِهِ فَيُحْسَبُ لَنَا نُقْصَانٌ فِيهِ لِ٠َكَانِ الزِّقَاقِ فَقَالَ إِنْ كَانَ يَزِيدُ وَيَنْقُصُ فَلا بَأْسَ وَإِنْ كَانَ يَزِيدُ وَلا يَنْقُصُ فَلا تَقْرَبْهُ.

He (the Imam) said, ‘If it comes extra as well as in deficit, it is not harmful but if it comes extra and no deficit, then you must not go close to it.’” وثق - Allamah Baqir al-Majlisi (Mirʾāt al-ʿUqūl fī Sharḥ Akhbār Āl al-Rasūl (19/187))