Business like the Mafia: Tips and Tricks!

Clare Longrigg reports on the letters of jailed Cosa Nostra boss Bernardo Provenzano from The Guardian

More details in the link above:
Rule 1: Submersion
Rule 2: Mediation
Rule 3: Consensus
Rule 4: Keep God on your side
Rule 5: Be politically flexible
Rule 6: Reinvention
Rule 7: Modesty

Interesting quote:
"Be calm, clear, correct and consistent, turn any negative experiences to account, don't dismiss everything people tell you, or believe everything you're told. Always try to discover the truth before you speak, and remember that, to make your judgment, it's never enough to have just one source of information."