أَمْ لَهُمْ سُلَّمٌ يَسْتَمِعُونَ فِيهِ ۖ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَانٍ مُّبِينٍ (38)
(52:38) Or do they have a ladder whereon they can climb and attempt to listen (to what is transpiring in the Higher Realm)? Then, let any of them who has listened to it produce a clear proof of it.