‏البر والصلة والآداب‏ : Hadeeth No:6313 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) 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....

‏الحدود : Hadeeth No:4184 This hadith has been narrated on the authority of Ibn 'Umar through some other chains of transmitters but with a slight variation of words....