Quran 25:62 from Surah Al-Furqaan on Divine Marvels.
وَهُوَ ٱلَّذِي جَعَلَ ٱلَّيۡلَ وَٱلنَّهَارَ خِلۡفَةٗ لِّمَنۡ أَرَادَ أَن يَذَّكَّرَ أَوۡ أَرَادَ شُكُورٗا
English translation: And He (is) the One Who made the night and the day (in) succession for whoever desires to remember or desires to be thankful
Transliteration: wahuwa alladhi ja'ala al-layla wal-nahara khil'fatan liman arada an yadhakkara aw arada shukuran