Musnad Abu Ya'la al-Mawsili 209:72

Narrated to us Mujahid, narrated to me Bahz, narrated to us Shu'bah, from Musa bin Abi 'Aishah, from a freed slave of Umm Salamah, from Umm Salamah: That the Messenger of Allah (peace and blessings of Allah be upon him) used to say when he reached the morning: "O Allah, I ask You for beneficial knowledge, and goodly provision, and accepted deeds."