﴿ إِنَّ رَبَّهُم بِهِمْ يَوْمَئِذٍۢ لَّخَبِيرٌۢ ﴾

“that on that Day their Sustainer [will show that He] has always been fully aware of them?”

On that day) the Day of Judgement (will their Lord be perfectly informed concerning them) their Lord is perfectly Aware'.