3.94 http://www.mohammeds-koran.com/texts/hadith/bukhari/3/3.94 http://www.mohammeds-koran.com/@@site-logo/Jihad_Sword_White_Background.png 3.94 Narrated Anas: Whenever the Prophet asked permission to enter, he knocked the door thrice with greeting and whenever he spoke a sentence (said a thing) he used to repeat it thrice. (See Hadith No. 261, Vol. 8).