The Peak of Eloquence · Hadith 1869 (#Passage #228)

١٨٣. وَقَالَ (عليه السلام): مَا اخْتَلَفَتْ دَعْوَتَانِ إِلَّا كَانَتْ إِحْدَاهُمَا ضَلاَلَةً.

183. Amīr al-mu’minīn, peace be upon him, said: If there are two different calls then one (of them) must be towards misguidance.

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