20 Preface الَّذينَ آتَيناهُمُ الكِتابَ يَعرِفونَهُ كَما يَعرِفونَ أَبناءَهُمُ ۘ الَّذينَ خَسِروا أَنفُسَهُم فَهُم لا يُؤمِنونَAhmed AliThose to whom We have given the Book know it distinctly as they know their sons; but those who are lost of soul do not believe.