Musnad Ahmad 1304:9

Yazid ibn Harun narrated to us, Hammad ibn Salamah informed us, from Thabit, from Shahr ibn Hawshab, from Asma bint Yazid, who said: "I heard the Messenger of Allah, peace and blessings of Allah be upon him, reciting: 'Indeed, he is a deed other than righteous.' And I heard him reciting: 'O My servants who have transgressed against themselves, do not despair of the mercy of Allah. Indeed, Allah forgives all sins, and He does not mind; indeed, it is He who is the Forgiving, the Merciful.'"