Sahih al-Bukhari 6114
Book 78: Good Manners and Form (Al-Adab) · Narrated by Abu Huraira
Arabic
حَدَّثَنَا عَبْدُ اللَّهِ بْنُ يُوسُفَ، أَخْبَرَنَا مَالِكٌ، عَنِ ابْنِ شِهَابٍ، عَنْ سَعِيدِ بْنِ الْمُسَيَّبِ، عَنْ أَبِي هُرَيْرَةَ ـ رضى الله عنه ـ أَنَّ رَسُولَ اللَّهِ صلى الله عليه وسلم قَالَ " لَيْسَ الشَّدِيدُ بِالصُّرَعَةِ، إِنَّمَا الشَّدِيدُ الَّذِي يَمْلِكُ نَفْسَهُ عِنْدَ الْغَضَبِ ".
English translation
Narrated Abu Huraira:Allah's Messenger (ﷺ) said, "The strong is not the one who overcomes the people by his strength, but the strong is the one who controls himself while in anger
Reference: Sahih al-Bukhari 6114, Book of Good Manners and Form (Al-Adab). English translation by Dr. Muhammad Muhsin Khan.