Surah Al-Furqan 25:62
وَهُوَ ٱلَّذِى جَعَلَ ٱلَّيْلَ وَٱلنَّهَارَ خِلْفَةً لِّمَنْ أَرَادَ أَن يَذَّكَّرَ أَوْ أَرَادَ شُكُورًا
And it is He who has made the night and the day in succession for whoever desires to remember or desires gratitude.
Translation: Saheeh International
Tafsir
And He it is Who made the night and day to appear in succession that is one succeeding the other for him who desires to remember read yadhdhakkara or yadhkura as before Q. 2550 — so that if he misses the opportunity to do some good during the one he can do it during the other; …
Excerpt from Tafsir al-Jalalayn, commentary on 25:62, via Quran.com. The reader has the full commentary and 9 more tafsirs.