Sunan an-Nasa'i, 4683

it was narrated from Isla'il bin Ibrahim bin 'Abdullah bin Abi Rabi'ah, from his father, that his grandfather said:"The Prophet borrowed forty thousand from me, then some wealth came to him, and he paid me back and said: 'May Allah bless your family and your wealth for you: the reward for lending is praise and repayment

Rapporté par Isla’il bin Ibrahim bin ‘Abdullah bin Abi Rabi’ah, de son père, que son grand-père a dit : "Le Prophète ﷺ m’a emprunté quarante mille. Ensuite, il a reçu des biens, m’a remboursé et a dit : 'Qu’Allah bénisse ta famille et ta richesse : la récompense du prêt, c’est la reconnaissance et le remboursement