Sahih Muslim 4218
صحيح مسلم#4218SahihIbn 'Abbas (Allah be pleased with them) said:(I wish) if people would reduce from third to fourth (part for making a will of their property), for Allah's Messenger (ﷺ) said: So far as the third (part) is concerned it is quite substantial. In the hadith transmitted on the authority of Waki (the words are)" large" or" much
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: 25:15