62وَهُوَ الَّذي جَعَلَ اللَّيلَ وَالنَّهارَ خِلفَةً لِمَن أَرادَ أَن يَذَّكَّرَ أَو أَرادَ شُكورًاRashad KhalifaHe is the One who designed the night and the day to alternate: a sufficient proof for those who wish to take heed, or to be appreciative.