Sahih Bukhari Volume 7, Book 71, Hadith Number 609.Sahih Bukhari Book 71. Medicine Narrated By Said bin Zaid: I heard the Prophet saying, “Truffles are like Manna (i.e. they grow naturally without man’s care) and their water heals eye diseases.” Related Previous Post Sahih Bukhari Volume 7, Book 71, Hadith Number 610. Next Post Sahih Bukhari Volume 7, Book 71, Hadith Number 608.