Musannaf Ibn Abi Shayba 32:10

Abu Mu'awiyah narrated to us, from al-A'mash, from Jami' ibn Shaddad, from Mughith ibn Sumayy, who said: There was a man among those who were before you who used to commit sins. Then he remembered one day and said, "O Allah, Your forgiveness." So He forgave him.