And God's is the east and the west: and wherever you turn, there is God's countenance. Behold, God is infinite, all-knowing.
Al-Baqara (The Cow) Verse 115
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