What lesson did Prophet Muhammad (peace be upon him) teach about how to practice good qualities of Islam?
      Narrated 'Abdullah bin 'Amr:                          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 (See      Hadith No. 27).