Sahih Muslim Book 13, Hadith Number 4011.

Chapter : He who has not anything with him to will away should not do it.

‘Aisha reported: Allah’s Messenger (may peace be upon him) left neither dinar nor dirham (wealth in the form of cash), nor goats (and sheep), nor camels. And he made no will about anything (in regard to his material possessions, as he had none),