‏الإيمان : Hadeeth No:140 It is narrated on the authority of Abu Sa'id Khudri that the Messenger of Allaah observed: The person who believes in Allaah and the Last Day never nurses a grudge against the Ansar....

‏النكاح : Hadeeth No:3292 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: The Muslim should not purchase in opposition to his brother, and he should not make the proposal of marriage on the proposal already made by his brother....