The Sufficient (Vol 2) · Hadith 755 (#Ḥadīth #8)
Chapter 88 | To Show Kindness to and Honor a Believer
8ـ مُحَمَّدُ بْنُ يَحْيَى عَنْ أَحْمَدَ بْنِ مُحَمَّدِ بْنِ عِيسَى عَنْ مُحَمَّدِ بْنِ الْفُضَيْلِ عَنْ أَبِي حَمْزَةَ عَنْ أَبِي جَعْفَرٍ (عَلَيهِ السَّلام) قَالَ يَجِبُ لِلْمُؤْمِنِ عَلَى الْمُؤْمِنِ أَنْ يَسْتُرَ عَلَيْهِ سَبْعِينَ كَبِيرَةً.
8. Muhammad ibn Yahya has narrated from Ahmad ibn Muhammad ibn ‘Isa from Muhammad ibn al-Fudayl from abu Hamza from abu Ja’far who has said the following: “It is obligatory for a Muslim to cover for a Muslim seventy major sins.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).