Surah Al-Furqan (25:71)
وَمَن تَابَ وَعَمِلَ صَٰلِحًا فَإِنَّهُۥ يَتُوبُ إِلَى ٱللَّهِ مَتَابًا
And whoever turns back and does what is sound, then indeed he is turning back to Allah with a (true) turning back.
Roots in this verse: ت و ب (twb), ع م ل (Eml), ص ل ح (SlH), ا ل ه (Alh)