‏البيوع : Hadeeth No:3824 Abu Huraira (Allaah be pleased with him) reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who kept a dog would lose out of his deeds equal to one qirat every day. except (one kept) for watching the field or herd....

‏الأيمان : Hadeeth No:4043 Abd al-Rahman b. Samura reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Do not swear by idols, nor by your fathers....