Narrated Anas bin Malik: "There was a cause of fright in Al-Madinah. So the Messenger of Allah (ﷺ) borrowed a horse of ours called Mandub. He said: “I have not seen anything to be frightened of, and we found him to be (quick) like the sea.'" [Abu 'Eisa said:] This Hadith is Hasan Sahih”
SahihSahihHasan SahihBook 23 · Hadith 17