Chapter 18: Wills (Kitab Al-Wasaya)
Narrated 'Amr b. Suh' aib: On his father' s authority, said that his grandfather told that a man came to the Prophet (ﷺ) and said: I am poor, I have nothing (with me), and I have an orphan. He said: Use the property of your orphan without spending it lavishly, hurrying and taking it as your own property.
Sunan Abi Dawud 2872