Surah Al-Baqarah, Verse 238

حَٰفِظُواْ عَلَى ٱلصَّلَوَٰتِ وَٱلصَّلَوٰةِ ٱلۡوُسۡطَىٰ وَقُومُواْ لِلَّهِ قَٰنِتِينَ٢٣٨

ḥāfiẓū ʿalā l-ṣalawāti wal-ṣalati l-wus'ṭā waqūmū lillahi qānitīna

Maintain with care the [obligatory] prayers and [in particular] the middle [i.e., ʿaṣr] prayer and stand before Allāh, devoutly obedient.