" People think doping is for lazy people who want to avoid hard work. That might be true in some cases, but in mine, as with many riders I knew, it was precisely the opposite. EPO granted the ability to suffer more; to push yourself farther and harder than you'd ever imagined, in both training and racing. "

― Tyler Hamilton , The Secret Race: Inside the Hidden World of the Tour de France: Doping, Cover-ups, and Winning at All Costs