When the earliest emigrants came to Al-`Usba a place in Quba', before the arrival of the Prophet- Salim, the slave of Abu Hudhaifa, who knew the Quran more than the others used to lead them in prayer.
Sahih al-Bukhari Book 10, Hadith 87
← Previous Hadith The Prophet (ﷺ) said, "Isn't he who raises his head before the Imam afraid that Allah may transform his head into that of a donkey or his figure (face) into that of a donkey?"

Sahih al-Bukhari Book 10, Hadith 86 Next Hadith → The Prophet (ﷺ) said, "Listen and obey (your chief) even if an Ethiopian whose head is like a raisin were made your chief."

Sahih al-Bukhari Book 10, Hadith 88