﴿ قَٰلَ إِن لَّبِثْتُمْ إِلَّا قَلِيلًۭا ۖ لَّوْ أَنَّكُمْ كُنتُمْ تَعْلَمُونَ ﴾

“[Whereupon] He will say: “You have spent there but a short while: had you but known [how short it was to be]!”

He exalted will say to them also by the tongue of Keeper of Hell a variant reading for qāla ‘He will say’ has qul ‘say’ ‘You tarried but a little if only you knew the length of time you tarried you would have realised that it is trivial relative to how long you will tarry in the Fire.