‏البر والصلة والآداب‏ : Hadeeth No:6241 'A'isha reported: I heard Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: There is nothing (in the form of trouble) that comes to a believer even if it is the pricking of a thorn that there is decreed for him by Allaah good or his sins are obliterated....

‏البيوع : Hadeeth No:3745 Rafi (Allaah be pleased with him) reported that Zuhair b. Rafi (who was his uncle) came to me and said: Allaah's Messenger (sallAllaahu alayhi wa sallam) forbade a practice which was useful for us. I said: What is this? (I believe) that whatrver Allaah's Messenger (sallAllaahu alayhi wa sallam) says...