Sahih al-Bukhari 2627
صحيح البخاري#2627SahihNarrated Anas:Once the people of Medina were frightened, so the Prophet (ﷺ) borrowed a horse from Abu Talha called Al-Mandub, and rode it. When he came back he said, "We have not seen anything (to be afraid of), but the horse was very fast (having an energy as inexhaustible as the water of the sea)
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: 51:59