Abu Hurairah (RA) reported Allah's Messenger (ﷺ) as saying: The strong-man is not one who wrestles well but the strong man is one who controls himself when he is in a fit of rage.
Hadith Referenceصحيح مسلم / كتاب البر والصلة والآداب / 2609
Abu Hurairah (RA) 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.
Hadith Referenceصحيح مسلم / كتاب البر والصلة والآداب / 2609