Narrated Abu Huraira: The Prophet said, "The young should greet the old, the passer by should greet the sitting one, and the small group of persons should greet the large group of persons. "

Narrated 'Abdullah bin 'Amr: The Prophet said, "Whoever has the following four (characteristics) will be a pure hypocrite and whoever has one of the following four characteristics will have one characteristic of hypocrisy unless and until he gives it up. 1. Whenever he is entrusted, he betrays. 2. Whenever he speaks, he tells a lie. 3. Whenever he makes a covenant, he proves treacherous. 4. Whenever he quarrels, he behaves in a very imprudent, evil and insulting manner."

Narrated Abu Huraira: Allah's Apostle said, "The riding one should greet the walking one, and the walking one should greet the sitting one, and the small number of persons should greet the large number of persons."

Narrated Abu Huraira: Allah's Apostle said, "The younger person should greet the older one, and the walking person should greet the sitting one, and the small number of persons should greet the large number of persons."