Hadithcore
Mishkat al-Masabih, 2330

'A’isha reported God’s messenger as saying, "When a servant acknowledges his sin and repents, God forgives him.” (Bukhari and Muslim.)

وَعَنْ عَائِشَةَ رَضِيَ اللَّهُ عَنْهَا قَالَتْ: قَالَ رَسُولُ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسلم: «إِنَّ الْعَبَدَ إِذَا اعْتَرَفَ ثُمَّ تَابَ تَابَ الله عَلَيْهِ»

References1 variant
In-Book Reference
Book 9, Hadith 104