يُقَلِّبُ اللَّهُ اللَّيلَ وَالنَّهارَ ۚ إِنَّ في ذٰلِكَ لَعِبرَةً لِأُولِي الأَبصارِ

God alternates the night and the day. In this, there is a lesson for those who have insight.