لِنَفتِنَهُم فيهِ ۚ وَمَن يُعرِض عَن ذِكرِ رَبِّهِ يَسلُكهُ عَذابًا صَعَدًا

So We might test them therein. And whoever turns away from the remembrance of his Lord He will put into arduous punishment.