Surah Ar-Rahman, ayah 60

55:60

هَلۡ جَزَآءُ ٱلۡإِحۡسَٰنِ إِلَّا ٱلۡإِحۡسَٰنُ ٦٠

Hal jazā'ul-ihsāni illal-ihsān

Is the reward for good [anything] but good?