أَمْ لَهُمْ سُلَّمٌۭ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَٰنٍۢ مُّبِينٍ
Or have they a stairway [into the heaven] upon which they listen? Then let their listener produce a clear authority.
Uthmani script · Saheeh International · Quran 52:38