أَمۡ لَهُمۡ سُلَّمٞ يَسۡتَمِعُونَ فِيهِۖ فَلۡيَأۡتِ مُسۡتَمِعُهُم بِسُلۡطَٰنٖ مُّبِينٍ ٣٨
Am lahum sullamuy yastamiʿūna fīh, falyaʾti mustamiʿuhum bisulṭānim mubīn.
Or have they a stairway [into the heaven] upon which they listen? Then let their listener produce a clear authority [i.e., proof].
Translation: Sahih International