17لِنَفتِنَهُم فيهِ ۚ وَمَن يُعرِض عَن ذِكرِ رَبِّهِ يَسلُكهُ عَذابًا صَعَدًاWahiduddin Khanso that We may test them by it -- whoever turns away from the remembrance of his Lord shall be sternly punished.