Abu Huraira reported:I heard Allah's Messenger (ﷺ) as saying: One is not strong because of one's wrestling skillfully. They said: Allah's Messenger, then who is strong? He said: He who controls his anger when he is in a fit of rage.
حَدَّثَنَا حَاجِبُ بْنُ الْوَلِيدِ، حَدَّثَنَا مُحَمَّدُ بْنُ حَرْبٍ، عَنِ الزُّبَيْدِيِّ، عَنِ الزُّهْرِيِّ، أَخْبَرَنِي حُمَيْدُ بْنُ عَبْدِ الرَّحْمَنِ، أَنَّ أَبَا هُرَيْرَةَ، قَالَ سَمِعْتُ رَسُولَ اللَّهِ صلى الله عليه وسلم يَقُولُ " لَيْسَ الشَّدِيدُ بِالصُّرَعَةِ " . قَالُوا فَالشَّدِيدُ أَيُّمَ هُوَ يَا رَسُولَ اللَّهِ قَالَ " الَّذِي يَمْلِكُ نَفْسَهُ عِنْدَ الْغَضَبِ " .
Muslim
The Book of Virtue, Enjoining Good Manners, and Joining of the Ties of Kinship • Hadith 141