It is narrated from Sayyiduna Abu Hurairah (may Allah be pleased with him) that the Messenger of Allah (peace and blessings be upon him) said: "The strong and brave one is not the one who overcomes others; rather, the strong one is the one who controls himself at the time of anger."
Hadith Referenceالادب المفرد / كتاب الغضب / 1317
Hadith Gradingالألبانی:صحيح
Hadith Takhrij«صحيح : أخرجه البخاري ، كتاب الأدب : 6114 و مسلم : 2609 و النسائي فى الكبرىٰ : 10154»
It is narrated from Sayyiduna Ibn Umar (may Allah be pleased with them) that he said: There is no gulp that a person swallows which is more rewarding with Allah than the gulp of anger that a person swallows for the sake of Allah’s pleasure.
Hadith Referenceالادب المفرد / كتاب الغضب / 1318
Hadith Gradingالألبانی:موقوف ، رجاله ثقات ، و قد صح مرفوعًا
Hadith Takhrij«موقوف ، رجاله ثقات ، و قد صح مرفوعًا : أخرجه ابن أبى شيبة : 35718 و ابن ماجه : 4189»