حَدَّثَنَا أَحْمَدُ بْنُ عَبْدَةَ، أَنْبَأَنَا حَمَّادُ بْنُ زَيْدٍ، عَنْ ثَابِتٍ، عَنْ أَنَسِ بْنِ مَالِكٍ، قَالَ ذُكِرَ النَّبِيُّ صلى الله عليه وسلم فَقَالَ كَانَ أَحْسَنَ النَّاسِ وَكَانَ أَجْوَدَ النَّاسِ وَكَانَ أَشْجَعَ النَّاسِ وَلَقَدْ فَزِعَ أَهْلُ الْمَدِينَةِ لَيْلَةً فَانْطَلَقُوا قِبَلَ الصَّوْتِ فَتَلَقَّاهُمْ رَسُولُ اللَّهِ صلى الله عليه وسلم وَقَدْ سَبَقَهُمْ إِلَى الصَّوْتِ وَهُوَ عَلَى فَرَسٍ لأَبِي طَلْحَةَ عُرْىٍ مَا عَلَيْهِ سَرْجٌ فِي عُنُقِهِ السَّيْفُ وَهُوَ يَقُولُ ‏"‏ يَا أَيُّهَا النَّاسُ لَنْ تُرَاعُوا ‏"‏ ‏.‏ يَرُدُّهُمْ ثُمَّ قَالَ لِلْفَرَسِ ‏"‏ وَجَدْنَاهُ بَحْرًا ‏"‏ ‏.‏ أَوْ ‏"‏ إِنَّهُ لَبَحْرٌ ‏"‏ ‏.‏ قَالَ حَمَّادٌ وَحَدَّثَنِي ثَابِتٌ أَوْ غَيْرُهُ قَالَ كَانَ فَرَسًا لأَبِي طَلْحَةَ يُبَطَّأُ فَمَا سُبِقَ بَعْدَ ذَلِكَ الْيَوْمِ ‏.‏

It wasnarrated from Hammad bin Zaid from Thabit, that the Prophet(PBUH) wasmentioned before Anas bin Malik and he said: “He was thebest ofpeople, the most generous of people, the most courageous ofpeople.The people of Al-Madinah became alarmed one night, and he wasthefirst of them to investigate the noise and din. He was riding ahorsebelonging to Abu Talhah, bareback, with no saddle. His sword washanging from his neck and he was saying: ‘O people, do not beafraid,’sending them back to their houses. Then he said of thehorse, ‘Wefound it like a sea,’ or, ‘It is a sea.’”* Translation Not Available

Book Ref: Sunan Ibn Majah Book 24 Hadith 2772
Web Ref:  Sunan Ibn Majah Vol 4 Book 24 Hadith 2772