‏البيوع : Hadeeth No:3620 Abu Huraira reported Allaah's Messenger (may peace'be upon him) as saying: Do not go out to meet riders to enter into transaction with them; none of you must buy in opposition to another, nor must you bid against one another; a townsman must not sell for a man from the desert, and do not tie up udde...

‏الإمارة : Hadeeth No:4706 It has been narrated on the authority of Abu Huraira (through another chain of transmitters) that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: Whom do you consider to be a martyr among you? They (the Companions) said: Messenger, of Allaah, one who is slain in the way of Allaah is a m...