‏السلام : Hadeeth No:5562 'Amir b. Sa'd reported on the authority of his father that Allaah's Prophet (sallAllaahu alayhi wa sallam) commanded the killing of geckos, and he called them little noxious creatures....

‏البيوع : Hadeeth No:3617 Ibn 'Umar (Allaah be pleased with them) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as having said this: One amongst you should not enter into a transaction when another is bargaining....