‏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....

‏الإيمان : Hadeeth No:113 Abu Huraira reported that the Messenger of Allaah (may peace and blessings be upon him) observed: There are three characteristics of a hypocrite: when he spoke he told a lie, when he made promise he acted treacherously, and when he was trusted he betrayed....