Sahih al-Bukhari 1356
صحيح البخاري#1356SahihNarrated Anas:A young Jewish boy used to serve the Prophet (ﷺ) and he became sick. So the Prophet (ﷺ) went to visit him. He sat near his head and asked him to embrace Islam. The boy looked at his father, who was sitting there; the latter told him to obey Abul-Qasim and the boy embraced Islam. The Prophet (ﷺ) came out saying: "Praises be to Allah Who saved the boy from the Hell-fire
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih al-Bukhari is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 23:109