جامع الترمذي

Narrated Anas: that Al-Buraq was brought to the Prophet (ﷺ) on the Night of Isra, saddled and reined, but he shied from him. So Jibra'il said to him: "is it from Muhammad that you do this? By your Lord! There is no one more honorable to your Lord than him." He said: "Then he started sweating profusely."