Sa'd bin Ibrahim سعد بن إبراهيم بن عبد الرحمن · The Book of Wills

"It is not right for a Muslim who has anything concerning which a will should be made, to abide for more than three nights without having a written will with him."

"I asked Ibn Abi Awfa: 'Did the Messenger of Allah leave a will?' He said: 'No.' I said: 'How come it is prescribed for the Muslims to make wills?' He said: 'He left instructions urging the Muslims to adhere to the Book of Allah.'"

"The Messenger of Allah did not leave behind a Dinar or a Dirham, or a sheep or a camel, and he did not leave any will."

"When these Verses were revealed - 'And come not near to the orphan's property, except to improve it,' and 'Verily, those who unjustly eat up the property of orphans' - the people avoided the property and food of the orphans. That caused hardship to the Muslims and they complained about that to the Prophet. Then Allah revealed: 'And they ask you concerning orphans. Say: The best thing is to work honestly in their property, and if you mix your affairs…