‏السلام : Hadeeth No:5554 This hadith has been narrated on the authority of al-A'mash with the same chain of transmitters....

‏البر والصلة والآداب‏ : Hadeeth No:6263 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: When two persons indulge in hurling (abuses) upon one another, it would be the first one who would be the sinner so long as the oppressed does not transgress the limits....