Musnad Abu Ya'la al-Mawsili 128:29

Yahya ibn Ayyub narrated to us, Abu Mu'awiyah narrated to us, Isma'il ibn Abi Khalid narrated to us, from Abu Dawud, from Anas, from the Prophet (peace be upon him), who said: "There is no person of wealth except that it will please him on the Day of Resurrection that what he was given in the world was merely sustenance."