‏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....

‏البيوع : Hadeeth No:3649 Ibn 'Umar (Allaah be pleased with them) reported that they were beaten during the lifetime of Allaah's Messenger (sallAllaahu alayhi wa sallam) if they had bought foodgrains in bulk and then sold them in the spot without shifting them (to some other place)....