The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness
Ṣaḥīḥ Muslim 6869
اللَّهُمَّ إِنِّي ظَلَمْتُ نَفْسِي ظُلْمًا كَبِيرًا - وَقَالَ قُتَيْبَةُ كَثِيرًا - وَلاَ يَغْفِرُ الذُّنُوبَ إِلاَّ أَنْتَ فَاغْفِرْ لِي مَغْفِرَةً مِنْ عِنْدِكَ وَارْحَمْنِي إِنَّكَ أَنْتَ الْغَفُورُ الرَّحِيمُ
Allāhumma innī ẓalamtu nafsī ẓulman kabīran-waqāla qutaybah kathīran-walā yaghfiru adh-dhunūba illā anta fāghfir lī maghfiratan min ʿindika wārḥamnī innaka anta al-ghafūru ar-raḥīmu
Transliteration generated from the Arabic vowel marks
The full narration
Abu Bakr reported that he said to Allah's Messenger (ﷺ):Teach me a supplication which I should recite in my prayer. Thereupon he (the Holy Prophet) said: Recite:" O Allah, I have done great wrong to myself." According to Qutaiba (the words were: ) much (wrong) -there is none to forgive the sins but Thou only, say:" Grant me pardon from Thyself, have mercy upon me for Thou art much Forgiving and Compassionate
Source
Ṣaḥīḥ Muslim · 6869
- Agreed upon as authentic (al-Bukhārī / Muslim)