first came to south korea in the '70s as a peace corps volunteer, teaching some 70 young boys in an unheated classroom. >> the passion for education here is part of the korean passion for excellence, and that is what has given this country such dynamism, such vibrancy, such success, even in the face of very daunting circumstances. >> the very first phrase of confucius analects goes, i quote-- "to learn and to practice and repeat it every time and every day, isn't this a joy?" >> warner: korean society is permeated by values reflecting the teachings of the ancient chinese scholar. but joy of learning is not the sole motivation. >> on the other hand, education and learning is a channel for your social mobility. and if you want to become somebody in society, you want to go to a better college, better school, and study certain areas which will bring you higher status, and probably high income. >> warner: this hyper- competitive personal drive is what jet-propelled resource-poor south korea into the top ranks of world economies-- from a war- torn wasteland, one of the globe's poorest countries, 5