he began training at the age of five. He was enrolled in the Fujian Sports School and at twelve after clinching the National Junior Championships he was scouted by the People's Liberation Army Sports Team . Lin Dan's life wasn't without struggles . In his debut year, 2001, he faced defeats in big matches, including losses at the Asian Championships and the Denmark Open . Even with the challenges he decied to continue . He secured gold medals in men's singles at both the 2008 Beijing and 2012 London Olympics, becoming the first to defend the Olympic title successfully in this category, Lin clinched five World Championship titles etc , his story shows that we have to continue even with many hard challengs .