The Sufficient (Vol 1) · Hadith 24 (#Ḥadīth #24)
Chapter 0 | The Book of Intelligence and Ignorance
24ـ عَلِيُّ بْنُ مُحَمَّدٍ عَنْ سَهْلِ بْنِ زِيَادٍ عَنْ إِسْمَاعِيلَ بْنِ مِهْرَانَ عَنْ بَعْضِ رِجَالِهِ عَنْ أَبِي عَبْدِ الله قَالَ الْعَقْلُ دَلِيلُ الْمُؤْمِنِ.
24. Ali ibn Muhammad has narrated from Sahl ibn Ziyad from ’Isma‘il ibn Mihran from one of his people that Abu ‘Abdillah (al-Sadiq) said: “Intelligence (al-'Aql) is the guide of a believer.”
Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).