(53) باب إِثْمِ مَنْ رَفَعَ رَأْسَهُ قَبْلَ الإِمَامِ
Narrated Abu Huraira:
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?" (JA)
Reference (JA): Sahih al-Bukhari 691 (JA)
In-book reference (JA): Book 10, Hadith 86 (JA)
USC-MSA web (English) reference(deprecated numbering scheme): Vol. 1, Book 11, Hadith 660 (JA)