This proven true narration in Sunni sources, Imam Trimdhi also wrote this, It clearly says that Ali is from me and I am from Ali, Noone can convey on my behalf except myself or Ali. We can also note that Allah and his Prophet (pbuh) did not give responsibility to recite some verses of Surah Taubah! how come Abu Baker can have responsibility to convey who Quran?
Sayyidina Hubshi ibn Junadah reported that Allah’s Messenger (SAW) said, “All is from me and I from Ali and none shall represent me except myself or Ali.”
Imam Tirmidhi graded this as Hassan Sahih.