11 Preface إِنَّ رَبَّهُم بِهِم يَومَئِذٍ لَخَبيرٌYusuf AliThat their Lord had been Well-acquainted with them, (even to) that Day?1God’s knowledge is full and vigilant at all times. But on that day it will reveal to men secrets which they had long forgotten; for the Book of their Deeds will be made manifest at Judgment.