Sahih Bukhari
Sahih Bukhari Volume 003, Book 030, Hadith Number 101.
Hadith Section/Book: Sahih Bukhari Sahih Bukhari Book 30. Virtues Of Madina
Narated By Sad : I heard the Prophet saying, "None plots against the people of Medina but that he will be dissolved (destroyed) like the salt is dissolved in water."