Al-Jinn - 72:9

وَأَنَّا كُنَّا نَقْعُدُ مِنْهَا مَقَاعِدَ لِلسَّمْعِ فَمَن يَسْتَمِعِ الْآنَ يَجِدْ لَهُ شِهَابًا رَّصَدًا
[72:9]
And that we used to sit in some of the sitting-places thereof to steal a hearing, but he who would (try to) listen now would find a flame lying in wait for him:
'We used, indeed, to sit there in (hidden) stations, to (steal) a hearing; but any who listen now will find a flaming fire watching him in ambush.
And we used to sit on places (high) therein to listen. But he who listeneth now findeth a flame in wait for him;