Sahih al-Bukhari, Hadith 7041 ⓘ
Narrated Abu Musa: The Prophet said, "I saw in a dream that I waved a sword and it broke in the middle, and behold, that symbolized the casualties the believers suffered on the Day (of the battle) of Uhud. Then I waved the sword again, and it became better than it had ever been before, and behold, that symbolized the Conquest (of Mecca) which Allah brought about and the gathering of the believers. "
حَدَّثَنَا مُحَمَّدُ بْنُ الْعَلاَءِ، حَدَّثَنَا أَبُو أُسَامَةَ، عَنْ بُرَيْدِ بْنِ عَبْدِ اللَّهِ بْنِ أَبِي بُرْدَةَ، عَنْ جَدِّهِ أَبِي بُرْدَةَ، عَنْ أَبِي مُوسَى، أُرَاهُ عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " رَأَيْتُ فِي رُؤْيَا أَنِّي هَزَزْتُ سَيْفًا فَانْقَطَعَ صَدْرُهُ، فَإِذَا هُوَ مَا أُصِيبَ مِنَ الْمُؤْمِنِينَ يَوْمَ أُحُدٍ، ثُمَّ هَزَزْتُهُ أُخْرَى، فَعَادَ أَحْسَنَ مَا كَانَ، فَإِذَا هُوَ مَا جَاءَ اللَّهُ بِهِ مِنَ الْفَتْحِ، وَاجْتِمَاعِ الْمُؤْمِنِينَ " .
also referenced under: Book 91, Hadith 55 (In-Book) & Volume 9, Book 87, Hadith 164 (USC-MSA)