Sahih Muslim 4173
صحيح مسلم#4173SahihIbn Abbas (Allah be pleased with them) reported:I heard Allah's Messenger (ﷺ) say: The similitude of one who gives a charity and then gets it back is like that of a dog which vomits and then eats its vomit
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 24:11