Abu Hurairah (RAA) narrated that Allah's Messenger (ﷺ) said:
"The strong man is not the good wrestler; but the strong man is he who controls himself when he is angry." Agreed upon. (JA)
English reference (JA): Book 16, Hadith 1524 (JA)
Arabic reference (JA): Book 16, Hadith 1481 (JA)