At-Tur - 52:38

أَمْ لَهُمْ سُلَّمٌ يَسْتَمِعُونَ فِيهِ فَلْيَأْتِ مُسْتَمِعُهُم بِسُلْطَانٍ مُّبِينٍ
[52:38]
Or have they the means by which they listen? Then let their listener bring a clear authority.
Or have they a ladder, by which they can (climb up to heaven and) listen (to its secrets)? Then let (such a) listener of theirs produce a manifest proof.
Or have they any stairway (unto heaven) by means of which they overhear (decrees). Then let their listener produce some warrant manifest!