190إِنَّ في خَلقِ السَّماواتِ وَالأَرضِ وَاختِلافِ اللَّيلِ وَالنَّهارِ لَآياتٍ لِأُولِي الأَلبابِBijan MoeinianIndeed in the creation of the heavens and the earth and the alteration of night and day there are many thought provoking issues for those who use their brains.