190إِنَّ في خَلقِ السَّماواتِ وَالأَرضِ وَاختِلافِ اللَّيلِ وَالنَّهارِ لَآياتٍ لِأُولِي الأَلبابِZafar AnsariSurely in the creation of the heavens and the earth, and in the alternation of night and day, there are signs for men of understanding.