Mark Zuckerberg's 5-Word Secret to Success

With the U.S. stock markets going wild for the past week, perhaps some Americans are thinking of trying to make a living by becoming an entrepreneur and launching their own business. There's plenty of opportunity in that world, but each year, many businesses fail, too.

If there's anyone familiar with launching their own endeavor and making it worth billions, it's Mark Zuckerberg. According to the Bloomberg Billionaires Index, Zuckerberg is the No. 3 richest person in the world with a net worth of $207 billion...