6إِنَّ فِي اختِلافِ اللَّيلِ وَالنَّهارِ وَما خَلَقَ اللَّهُ فِي السَّماواتِ وَالأَرضِ لَآياتٍ لِقَومٍ يَتَّقونَMuhammad SarwarThe alternation of the day and night and all that God has created in the heavens and earth are evidence (of the existence of God) for the pious people.