62وَهُوَ الَّذي جَعَلَ اللَّيلَ وَالنَّهارَ خِلفَةً لِمَن أَرادَ أَن يَذَّكَّرَ أَو أَرادَ شُكورًاQaribullah & DarwishIt is He who has made the night and day follow each other for those whom He desires to remember or He desires to be thankful.