Quran Ash-Shuraa 42:25
وَهُوَ ٱلَّذِي يَقۡبَلُ ٱلتَّوۡبَةَ عَنۡ عِبَادِهِۦ وَيَعۡفُواْ عَنِ ٱلسَّيِّـَٔاتِ وَيَعۡلَمُ مَا تَفۡعَلُونَ ٢٥
Translation
And it is He who accepts repentance from His servants and pardons misdeeds, and He knows what you do.