The Peak of Eloquence · Hadith 1847 (#Passage #206)

١٦١. وَقَالَ (عليه السلام): مَنِ اسْتَبَدَّ بِرَأْيِهِ هَلَكَ، وَمَنْ شَاوَرَ الرِّجَالَ شَارَكَهَا فِي عُقُولِهَا.

161. Amīr al-mu’minīn, peace be upon him, said: He who acts solely according to his own opinion gets ruined, and he who consults other people shares in their understanding.

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