Musnad Ahmad 5:686

Abdullah narrated to us, Muhammad ibn Yahya ibn Abi Samina narrated to me, Abd al-Samad narrated to us, my father narrated to me, Hasan ibn Dhakwan narrated to us, from Habib ibn Abi Thabit, from Asim ibn Damra, from Ali, who said: The Messenger of Allah (peace and blessings of Allah be upon him) said: "Whoever asks for a request while having sufficiency, he is only increasing for himself from the heated stones of Hell." They said: "What is sufficiency?" He said: "The evening meal of a night."