Sunan Abi Dawud Book 15, Hadith 83
Mu’adh said “I was seated behind the Prophet (ﷺ) on a donkey that was called ‘Ufair”.
The Messenger of Allah (ﷺ) prohibited to ride a camel which eats dung.
The Prophet (ﷺ) named our cavalry "the Cavalry of Allah," when we were struck with panic, and when panic overtook us, the Messenger of Allah (ﷺ) commanded us to be united, to have patience and perseverance; and to be so when we fought.