Fussilat 41:3

كِتَـٰبٌ فُصِّلَتْ ءَايَـٰتُهُۥ قُرْءَانًا عَرَبِيًّا لِّقَوْمٍ يَعْلَمُونَ

Kitābun fuṣṣilat āyātuhu qur'ānan ʿarabiyyan liqawmin yaʿlamūna

A Book whose verses have been detailed, an Arabic Qur’ān¹ for a people who know,