In another article he writes: "In China, where I was born, there are a lot of people who work much harder but could not enjoy similar results. The difference is that I was lucky enough to have had the chance to move abroad at a young age, thanks my parents. In other words, as Warren Buffett said, a large part of life is the lottery at birth."
http://www.economist.com/whichmba/mba-diary-standing-oration