‏الإيمان : Hadeeth No:310 It is narrated on the the outhority of Anas b. Malik that the Messenger of Allaah (sallAllaahu alayhi wa sallam) said: (the angels) came to me and took me to the Zamzam and my heart was opened and washed with the water of Zamzam and then I was left (at my place)....

‏البر والصلة والآداب‏ : Hadeeth No:6383 This hadith has been narrated on the authority of Anas through another chain of transmitters....