Sahih al-Bukhari Book 10, Hadith 86

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?"

Previous Hadith

As above.

Sahih al-Bukhari Book 10, Hadith 85
Next Hadith

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 Qur'an more than the others used to lead them in prayer.

Sahih al-Bukhari Book 10, Hadith 87