The Peak of Eloquence · Hadith 2208 (#Passage #567)

٤٤٧. وَقَالَ (عليه السلام): مَنِ اتَّجَرَ بِغَيْرِ فِقْهٍ فَقَدِ ارْتَطَمَ فِي الرِّبَا.

447. Amīr al-mu’minīn, peace be upon him, said: Whoever trades without knowing the rules of religious law will be involved in usury.

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