Sahih Bukhari
Sahih Bukhari Volume 005, Book 058, Hadith Number 277.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 58. Merits of the Helpers in Madina (Ansaar)
Narated By Abu Huraira : The Prophet said, "Had only ten Jews (amongst their chiefs) believe me, all the Jews would definitely have believed me."