وَّاَنَّا لَمَسۡنَا السَّمَآءَ فَوَجَدۡنٰهَا مُلِئَتۡ حَرَسًا شَدِيۡدًا وَّشُهُبًاۙ‏

And we have sought [to reach] the heaven but found it filled with powerful guards and burning flames