وَأَنَّا لَمَسۡنَا ٱلسَّمَآءَ فَوَجَدۡنَٰهَا مُلِئَتۡ حَرَسٗا شَدِيدٗا وَشُهُبٗا

Wa annaa lamasnas samaaa'a fa wajadnaahaa muli'at harasan shadeedanw wa shuhuba

'And we pried into the secrets of heaven; but we found it filled with stern guards and flaming fires.

— Al-Jinn (ٱلْجِنّ), 72:8