The Peak of Eloquence · Hadith 2131 (#Passage #490)

۳۹۲. وَقَالَ (عليه السلام): تَكَلَّمُوا تُعْرَفُوا، فَإِنَّ الْمَرْءَ مَخْبُوءٌ تَحْتَ لِسَانِهِ.

392. Amīr al-mu’minīn, peace be upon him, said: Speak so that you may be known, since man is hidden under his tongue.

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