Surah Al-A'raf Verse 170

وَالَّذِينَ يُمَسِّكُونَ بِالْكِتَابِ وَأَقَامُوا الصَّلَاةَ إِنَّا لَا نُضِيعُ أَجْرَ الْمُصْلِحِينَ

But those who hold fast to the Book and establish prayer - indeed, We will not allow to be lost the reward of the reformers