Sahih al-Bukhari 2833
Book 56: Fighting for the Cause of Allah (Jihaad) · Narrated by Salim Abu-An-Nadr
Arabic
حَدَّثَنِي عَبْدُ اللَّهِ بْنُ مُحَمَّدٍ، حَدَّثَنَا مُعَاوِيَةُ بْنُ عَمْرٍو، حَدَّثَنَا أَبُو إِسْحَاقَ، عَنْ مُوسَى بْنِ عُقْبَةَ، عَنْ سَالِمٍ أَبِي النَّضْرِ، أَنَّ عَبْدَ اللَّهِ بْنَ أَبِي أَوْفَى، كَتَبَ فَقَرَأْتُهُ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " إِذَا لَقِيتُمُوهُمْ فَاصْبِرُوا ".
English translation
Narrated Salim Abu-An-Nadr:`Abdullah bin Abi `Aufa wrote and I read what he wrote that Allah's Messenger (ﷺ) said, "When you face them ( i.e. your enemy) then be patient
Reference: Sahih al-Bukhari 2833, Book of Fighting for the Cause of Allah (Jihaad). English translation by Dr. Muhammad Muhsin Khan.