‏البيوع : Hadeeth No:3920 Sa'id b. Zaid b. 'Amr b. Nufail (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who wrongly took a span of land, Allaah shall make him carry around his neck seven earths....

‏النكاح : Hadeeth No:3384 Jabir b. 'Abdullah (Allaah be pleased with them) reported that a person asked Allaah's Prophet (sallAllaahu alayhi wa sallam) saying: I have a slave-girl and I practise 'azl with her, whereupon Allaah's Messenger (sallAllaahu alayhi wa sallam) said: This cannot prevent that which Allaah has decreed....