190إِنَّ في خَلقِ السَّماواتِ وَالأَرضِ وَاختِلافِ اللَّيلِ وَالنَّهارِ لَآياتٍ لِأُولِي الأَلبابِ(Irfan-ul-Quran)Indeed in the creation of the heavens and the earth and the alternation of the night and the day there are Signs (of Allah’s Absolute Authority) for those who possess constructive wisdom.