South Korea at the end of the Second World War had a very low level of literacy. But suddenly, like in Japan, they determined they were going in that direction. In 20 years' time, they had transformed themselves. So when people go on saying that it's all because of perennial culture, which you cannot change, that's not the way the South Korean economy was viewed before the war ended. But again within 30 years, people went on saying there's an ancient culture in Korea that has been pro-education, which is true.