And then, behold! after all this, you are destined to die;
Al-Mu'minun (The Believers) Verse 15
A man asked the Prophet , "What sort of deeds or (what qualities of) Islam are good?" The Prophet replied, 'To feed (the poor) and greet those whom you know and those whom you do not Know
Sahih Bukhari: Volume 1, Book 2, Number 11