Wa maa kaana lahoo 'alaihim min sultaanin illaa lina'lama mai yu minu bil Aakhirati mimman huwa minhaa fee shakk; wa Rabbuka 'alaa kulli shai'in Hafeez
And he has no authority over them, but that We may distinguish him who believes in the hereafter from him who is in doubt concerning it; and your Lord is the Preserver of all things