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. ...

ÃÈæÇÈ ÊÞÕíÑ ÇáÕáÇÉ : Hadeeth No:1019 : Ibn Abbas: The Prophet once stayed for nineteen days and prayed shortened prayers. So when we travel led (and stayed) for nineteen days, we used to shorten the prayer but if we travelled (and stayed) for a longer period we used to offer the full prayer. ...