25:62
وَهُوَ ٱلَّذِى جَعَلَ ٱلَّيْلَ وَٱلنَّهَارَ خِلْفَةً لِّمَنْ أَرَادَ أَن يَذَّكَّرَ أَوْ أَرَادَ شُكُورًا
wahuwa alladhī jaʿala al-layla wal-nahāra khil'fatan liman arāda an yadhakkara aw arāda shukūran
it is He who made the night and day follow each other- so anyone who wishes may be mindful or show gratitude.
And He it is Who has put the night and the day in succession, for such who desires to remember or desires to show his gratitude.