رَوَى هَارُونُ بْنُ مُسْلِمٍ عَنْ مَسْعَدَةَ بْنِ صَدَقَةَ عَنْ جَعْفَرِ بْنِ مُحَمَّدٍ عَنْ أَبِيهِ عَنْ آبَائِهِ عَلَيْهِمُ اَلسَّلاَمُ قَالَ قَالَ عَلِيٌّ عَلَيْهِ اَلسَّلاَمُ: "اَلْحَيْفُ فِي اَلْوَصِيَّةِ مِنَ اَلْكَبَائِرِ".
Harun ibn Muslim narrated from Masadah ibn Ṣadaqah from Imam Jafar ibn Muhammad Al-Sadiq (a.s) from his father, Imam Muhammad ibn Ali Al-Baqir (a.s) from his forefathers (peace be upon them), who said that Imam Ali ibn Abi Talib (a.s) said: "Injustice in a will is among the major sins."