Sahih al-Bukhari 3995
Book 64: Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi) · Narrated by Ibn `Abbas
Arabic
حَدَّثَنِي إِبْرَاهِيمُ بْنُ مُوسَى، أَخْبَرَنَا عَبْدُ الْوَهَّابِ، حَدَّثَنَا خَالِدٌ، عَنْ عِكْرِمَةَ، عَنِ ابْنِ عَبَّاسٍ ـ رضى الله عنهما ـ أَنَّ النَّبِيَّ صلى الله عليه وسلم قَالَ يَوْمَ بَدْرٍ " هَذَا جِبْرِيلُ آخِذٌ بِرَأْسِ فَرَسِهِ ـ عَلَيْهِ أَدَاةُ الْحَرْبِ ".
English translation
Narrated Ibn `Abbas:The Prophet (ﷺ) said on the day (of the battle) of Badr, "This is Gabriel holding the head of his horse and equipped with arms for the battle
Reference: Sahih al-Bukhari 3995, Book of Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi). English translation by Dr. Muhammad Muhsin Khan.