But any that gains a hearing by stealth, is pursued by a flaming fire, bright (to see). (15:18)

(So) they should not strain their ears in the direction of the Exalted Assembly but be cast away from every side, (37:8)

'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. (72:9)