ßÊÇÈ ÇáÃØÚãÉ : Hadeeth No:5036 : Ibn 'Umar: Allah's Apostle said, "A believer eats in one intestine (is satisfied with a little food), and a kafir (unbeliever) or a hypocrite eats in seven intestines (eats too much)."...

ßÊÇÈ ÇáÚáã : Hadeeth No:94 : 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. ...