ইংরেজিঃ হাদিস- ৯৪

Repeating ones talk thrice in order to make others understand

Narrated Anas:

Whenever the Prophet (ﷺ) 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).