Larangan mendahului gerakan imam dalam shalat, bahwa Allah akan mengganti kepalanya dengan kepala himar
Imam Nasa'i : 819أَخْبَرَنَا قُتَيْبَةُ قَالَ حَدَّثَنَا حَمَّادٌ عَنْ مُحَمَّدِ بْنِ زِيَادٍ عَنْ أَبِي هُرَيْرَةَ قَالَقَالَ مُحَمَّدٌ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ أَلَا يَخْشَى الَّذِي يَرْفَعُ رَأْسَهُ قَبْلَ الْإِمَامِ أَنْ يُحَوِّلَ اللَّهُ رَأْسَهُ رَأْسَ حِمَارٍ
Narrated to us [Qutaibah] he said :Narrated to us [Hammad] from [Muhammad bin Ziyad] from [Abu Hurairah] he said : "The Prophet Muhammad sallallaahu'alaihi wasallam said: "Is the person who raises his head - during prayer - before the imam not afraid that Allah will change his head to a donkey's head?”