‏فضائل الصحابة‏ : Hadeeth No:6175 Abu Barza reported that Allaah's Messenger (sallAllaahu alayhi wa sallam) sent a person to a tribe amongst the tribes of Arabia. They reviled him and beat him. He came to Allaah's Messenger (sallAllaahu alayhi wa sallam) and narrated to him (the story of atrocities perpetrated upon him by the people...

‏البيوع : Hadeeth No:3619 Abu Huraira reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: A Muslim should not purchase (in opposition) to his brother. This hadith has been narrated on the authority of Abu Huraira through another chain of transmitters but with a slight change of words....