Surah Al-Qasas, ayah 16

28:16

قَالَ رَبِّ إِنِّي ظَلَمۡتُ نَفۡسِي فَٱغۡفِرۡ لِي فَغَفَرَ لَهُۥٓۚ إِنَّهُۥ هُوَ ٱلۡغَفُورُ ٱلرَّحِيمُ ١٦

Qāla rabbi innī zalamtu nafsī faghfir lī faghafara lahū innahū huwal-ghafūrur-rahīm

He said, "My Lord, indeed I have wronged myself, so forgive me," and He forgave him. Indeed, He is the Forgiving, the Merciful.