Sahih Muslim 7422
صحيح مسلم#7422SahihAbu Huraira reported Allah's Messenger (ﷺ) as saying:A servant says, My wealth. my wealth, but out of his wealth three things are only his: whatever he eats and makes use of or by means of which he dresses himself and it wears out or he gives as charity, and this is what he stored for himself (as a reward for the Hereafter), and what is beyond this (it is of no use to you) because you are to depart and leave it for other people
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: 55:6