ßÊÇÈ ÇáÚáã : Hadeeth No:95 : Anas: Whenever the Prophet spoke a sentence (said a thing), he used to repeat it thrice so that the people could understand it properly from him and whenever he asked permission to enter, (he knocked the door) thrice with greeting. ...

ßÊÇÈ ÇáÊæÍíÏ : Hadeeth No:6992 : Anas bin Malik: Allah's Apostle said, "Ad-Dajjal will come to Medina and find the angels guarding it. If Allah will, neither Ad-Dajjal nor plague will be able to come near it."...