The Peak of Eloquence · Hadith 2063 (#Passage #422)

٣٤٥. وَقَالَ (عليه السلام): مِنَ الْعِصْمَةِ تَعَذُّرُ الْمَعَاصِي.

345. Amīr al-mu’minīn, peace be upon him, said: Lack of access to sins is also a kind of chastity

Gradings are classical jarḥ-wa-taʿdīl, name-matched to a rijāl index (not individually re-verified).