44 Preface يُقَلِّبُ اللَّهُ اللَّيلَ وَالنَّهارَ ۚ إِنَّ في ذٰلِكَ لَعِبرَةً لِأُولِي الأَبصارِAhmed AliIt is God who alternates night and day. There is surely a lesson in this for men of sight.