‏الزكاة : Hadeeth No:2273 Salim b. 'Abdullah reported on the authority of his father that the Messenger of Allaah (sallAllaahu alayhi wa sallam) gave to 'Umar b. Khattab some gift. Umar said to him: Messenger of Allaah, give it to one who needs it more than I. Upon this the Messenger of Allaah (sallAllaahu alayhi wa sallam) ...

‏الأيمان : Hadeeth No:4057 'Adi b. Hatim reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: He who took an oath, but he found something else better than that, should do that which is better and break his oath....