Quran 25:71 from Surah Al-Furqaan on Divine Marvels.
وَمَن تَابَ وَعَمِلَ صَٰلِحٗا فَإِنَّهُۥ يَتُوبُ إِلَى ٱللَّهِ مَتَابٗا
English translation: And whoever repents and does righteous (deeds) then indeed he turns to Allah (with) repentance
Transliteration: waman taba wa'amila salihan fa-innahu yatubu ila al-lahi mataban