Sunan Abi Dawud
Hadith #4651
Anas b. malik said:The prophet of Allah (ﷺ) ascended Uhud, and Abu Bakr, ’Umar and 'Uthman followed him. It began to shake with them. The prophet of Allah (ﷺ) struck it with his foot and said: Be still, for only a prophet, an ever-truthful and two martyrs are on you