52:38
At-Tur 38
Surah At-Tur (الطور), verse 38 — reference 52:38. Arabic text with optional translation and free audio on Al-Qalam.
أَمْ لَهُمْ سُلَّمٌ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَـٰنٍ مُّبِينٍ
am lahum sullamun yastamiʿūna fīhi falyati mus'tamiʿuhum bisul'ṭānin mubīnin
Or have they a stairway [into the heaven] upon which they listen? Then let their listener produce a clear authority [i.e., proof].