(Ali-Imran) 3 : 190
إِنَّ فِي خَلْقِ السَّمَاوَاتِ وَالْأَرْضِ وَاخْتِلَافِ اللَّيْلِ وَالنَّهَارِ لَآيَاتٍ لِأُولِي الْأَلْبَابِ
Indeed, in the creation of heavens and earth, and alternation between night and day, surely there are Signs for the men endowed with the intelligence.