Video:12 reigned by John Davidson Rockefeller

Today I read on the Internet an interesting article about John Davidson Rockefeller. Probably hard to find a man, who does not know that the richest man in the world is John Rockefeller, who started his first steps in his career as a simple accountant, and graduated as the richest man in the history of mankind.
Today, his condition would be estimated at about 200 billion US dollars. An impressive figure, Really?;)
However, I was interested in the rules of John Davidson Rockefeller, which he followed, to increase and preserve capital.
These ones 12 reigned by John Rockefeller: