The Sufficient (Vol 2) · Hadith 1446 (#Ḥadīth #10)
Chapter 172 | The Feeble-minded People
10ـ عَلِيُّ بْنُ إِبْرَاهِيمَ عَنْ أَبِيهِ عَنِ ابْنِ أَبِي عُمَيْرٍ عَنْ أَبِي الْمَغْرَاءِ عَنْ أَبِي بَصِيرٍ عَنْ أَبِي عَبْدِ الله (عَلَيهِ السَّلام) قَالَ مَنْ عَرَفَ اخْتِلافَ النَّاسِ فَلَيْسَ بِمُسْتَضْعَفٍ.
10. Ali ibn Ibrahim has narrated from his father from Ibn Abi ‘Umayr from abu al- Maghra’ from abu Basir from Abu ‘Abdillah who has said the following: “Whoever knows the differences among people is not a feeble- minded person.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).