‏الزكاة : Hadeeth No:2284 Anas b. MILlik reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: If there were two valleys of gold for the son of Adam, he would long for an- other one. and his mouth will not be filled but with dust, and Allaah returns to him who repents....

‏النكاح : Hadeeth No:3290 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as having said this: Do not outbid in a sale in order to ensnare. No man should enter into a transaction in which his brother has already entered, and no dweller of the town should sell on behalf of t...