Hadith #4779 (Sunan Abi Dawud)
Book: General Behavior (Kitab Al-Adab)
Narrator(s): Abu Bakr bin Abi Shayba أبو بكر بن أبي شيبة, Ady bin Thabit al-Ansari عدي بن ثابت الأنصاري الكوفي, Muhammad bin Khazim al-Darir محمد بن خازم أبو معاوية الضرير, Sulaiman al-A'mash الأعمش / سليمان بن مهران, Sulaiman bin Sard
Grade: Sahih

Whom do you consider a wrestler among you? The people replied: (the man) whom the men cannot defeat in wrestling. He said: No, it is he who controls himself when he is angry.

Source: https://parallelquran.com/hadith/sunan-abi-dawud-4779/