Business Insider: 21 insightful quotes from Bill Gates, who just turned 59By Business Insider. Published Oct. 29, 2014 at 10:34 am Bill Gates ranks No. 1 on Forbes' 2014 list of the world's billionaires. Photo by facebook.com/BillGatesBill Gates' personal net worth - an estimated $80 billion - rivals the GDP of Ecuador and tops Croatia's.Read the story here