Surah Al-Inshiqaq (The Sky Bursting Open), Verse 25

اِلَّا الَّذِیْنَ اٰمَنُوْا وَعَمِلُوا الصّٰلِحٰتِ لَهُمْ اَجْرٌ غَیْرُ مَمْنُوْنٍ 

Illal lazeena aamanoo wa 'amilus saalihaati lahum ajrun ghairu mamnoon

“Except to those who believe and work righteous deeds: For them is a Reward that will never fail.”

Quran 84:25 (Yusuf Ali Translation)