It was narrated that Asma' bin [sic] al-Hakam al-Fazari said:
I heard ‘Ali say: If I heard a hadeeth from the Messenger of Allah (ﷺ), Allah benefitted me as He willed thereby. If someone else told me something from him I would ask him to swear, and if he swore I would believe him. Abu Bakr told me - and Abu Bakr told the truth - that he heard the Prophet (ﷺ) say: `There is no believer who commits a sin, then does wudoo` and does it well and prays two rak'ahs and asks Allah, may He be glorified and exalted, for forgiveness but Allah will forgive him.` Then he recited the verse: `And those who, when they have committed Fahishah (illegal sexual intercourse) or wronged themselves...` (Al ‘Imran 3:135).