‏فضائل الصحابة‏ : Hadeeth No:5883 This hadith has been transmitted on the authority of Zuhri, and there is a clear mention of the stories of ox and goat (and the words are): I believe in it and so do Abu Bakr and Umar, but they were not at that time present there....

‏الزكاة : Hadeeth No:2197 Hudhaifa and Abu Shaiba reported Allaah's Messenger (sallAllaahu alayhi wa sallam) as saying: Every act of goodness is sadaqa....