‏البر والصلة والآداب‏ : Hadeeth No:6314 Abu Huraira reported: I heard Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: One is not strong because of one's wrestling skillfully. They said: Allaah's Messenger, then who is strong? He said: He who controls his anger when he is in a fit of rage....

‏الصلاة : Hadeeth No:1572 'A'isha reported: I have never seen the Messenger of Allaah (sallAllaahu alayhi wa sallam) hastening as much in observing supererogatory as two rak'ahs before the (Fard) of the dawn prayer....