Sahih Muslim Book 25, Hadith 14
Sa'd fell ill in Mecca and Allah's Apostle (ﷺ) visited him. The rest of the hadith is the same.
They said: Sa'd fell ill in Mecca. Allah's Messenger (ﷺ) visited him to inquire after his health. The rest of the hadith is the same.
(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".