Ibn ‘Abbās (may Allah be pleased with him) reported that the Prophet (may Allah's peace and blessings be upon him) on the day (of the battle) of Badr, said: "This is Jibrīl holding the head of his horse and equipped with tools of war. [Sahih/Authentic] - [Al-Bukhari]

عن ابن عباس -رضي الله عنهما- أن النبي -صلى الله عليه وسلم- قال يوم بدر: «هذا جبريلُ، آخذٌ برأس فَرَسِه، عليه أَدَاةُ الحَرْب». [صحيح.] - [رواه البخاري.]