The Peak of Eloquence · Hadith 1930 (#Passage #289)

٢٣٩. وَقَالَ (عليه السلام): مَنْ أَطَاعَ التَّوَانِيَ ضَيَّعَ الْحُقُوقَ، وَمَنْ أَطَاعَ الْوَاشِيَ ضَيَّعَ الصَّدِيقَ.

239. Amīr al-mu’minīn, peace be upon him, said: He who is a sluggard loses his rights and he who believes in the backbiter loses his friend.

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