Musnad Abu Ya'la al-Mawsili 134:14

Ali ibn Ja'far al-Ahmar Abu al-Hasan al-Kufi narrated to us, Muhammad ibn Fudayl narrated to us, from al-A'mash, from Anas, from the Prophet, peace and blessings of Allah be upon him, who said: "For the believer, no decree is decreed for him except that it is good for him."