104الَّذينَ ضَلَّ سَعيُهُم فِي الحَياةِ الدُّنيا وَهُم يَحسَبونَ أَنَّهُم يُحسِنونَ صُنعًاHilali & Khan"Those whose efforts have been wasted in this life while they thought that they were acquiring good by their deeds!