80 Preface وَهُوَ الَّذي يُحيي وَيُميتُ وَلَهُ اختِلافُ اللَّيلِ وَالنَّهارِ ۚ أَفَلا تَعقِلونَAli Quli QaraiAnd it is He who gives life and brings death and due to Him is the alternation of day and night. Do you not apply reason?