104الَّذينَ ضَلَّ سَعيُهُم فِي الحَياةِ الدُّنيا وَهُم يَحسَبونَ أَنَّهُم يُحسِنونَ صُنعًاWahiduddin KhanThey are those whose efforts have been wasted in the life of the world while they thought they were doing good.