‏البر والصلة والآداب‏ : Hadeeth No:6324 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When any one of you fights with his brother, he should not slap at the face....

‏البر والصلة والآداب‏ : Hadeeth No:6249 Ibu 'Umar reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Oppression is the darkness on the Day of Resurrection....