The Peak of Eloquence · Hadith 1906 (#Passage #265)

٢١٧. وَقَالَ (عليه السلام): فِي تَقَلُّبِ الْأَحْوَالِ عِلْمُ جَوَاهِرِ الرِّجَالِ.

217. Amīr al-mu’minīn, peace be upon him, said: Through change of circumstances the mettle of men is known.

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