(25) باب النَّهْىِ عَنْ سَبْقِ الإِمَامِ، بِرُكُوعٍ أَوْ سُجُودٍ وَنَحْوِهِمَا
Abu Huraira reported:
The Messenger of Allah (ﷺ) said: Does the man who lifts his head before the Imam not fear that Allah may change his face into that of an ass? (IT)
Reference (IT): Sahih Muslim 427 b (IT)
In-book reference (IT): Book 4, Hadith 126 (IT)
USC-MSA web (English) reference(deprecated numbering scheme): Book 4, Hadith 860 (IT)