Allegory Long time ago, there was an old man lived in Korea. The old man used to be a skillful and hardworking carpenter since he was about 20 years old. He worked really hard, because his only son wished to study in the college. So he made a lot of money for the tuition of his son. As his son got accepted to the college, he had to work harder year by year to supply the tuition. Although he was exhausted the other day while working so hard, he did not regret at all because he loved his son so much. After 4 years, his son graduated the college as one of the top students. The old man was very proud of his son because