Musnad Abu Ya'la al-Mawsili 152:265

Abu Khaythama narrated to us, Yahya ibn Abi Bukayr narrated to us, from Isra'il, from Abu Ishaq, from 'Abd al-Rahman ibn Yazid, from 'Abdullah, who said: The Messenger of Allah (ﷺ) recited to me: "Indeed, it is Allah who is the Provider, the Possessor of Power, the Firm."