Surah Al-A'raf, Verse 170

وَٱلَّذِينَ يُمَسِّكُونَ بِٱلۡكِتَٰبِ وَأَقَامُواْ ٱلصَّلَوٰةَ إِنَّا لَا نُضِيعُ أَجۡرَ ٱلۡمُصۡلِحِينَ١٧٠

wa-alladhīna yumassikūna bil-kitābi wa-aqāmū l-ṣalata innā lā nuḍīʿu ajra l-muṣ'liḥīna

But those who hold fast to the Book [i.e., the Qur’ān] and establish prayer - indeed, We will not allow to be lost the reward of the reformers.