Farwa' bin Naufal Ashja'i reported: I asked: 'A'isha, in what words did Allah's Messenger (ﷺ) supplicate Allah? She said that he used to utter: "I seek refuge in Thee from the evil of what I did and from the evil of what I did not."
Hadith ReferenceSahih Muslim / The Book Pertaining to the Remembrance of Allah, Supplication, Repentance and Seeking Forgiveness / Hadith: 2716