Al-Muwatta de Malik, 591

• On rapporta à Malek, que Aicha, la femme du Prophète (salallahou alayhi wa salam) r (Sur lui la grâce et la paix d'Allah) exposait au commerce, l'argent qui revenait aux orphelins, se trouvant sous sa tutelle»

Yahya related to me from Malik that he had heard that A'isha, the wife of the Prophet, may Allah bless him and grant him peace, used to give the property of the orphans that were in her house to whoever would use it to trade with on their behalf