King Sejong the Great (1397. 5.15.~1418. 9.18.)

The 4th king of Joseon Dynasty. His temple name is Sejong (世宗), his posthumous title is Jangheonyeongmunyemuinseongmyeonghyo Daewang (莊憲英文睿武仁聖明孝大王), his personal name is Do (祹), his courtesy name is Wonjeong (元正), and his childhood name was Makdong (莫同, youngest).

Sejong was born in 1397, five years after the founding of Joseon in 1392. He was the first king born in Joseon dynasty.

During his 31-year reign, Sejong left behind numerous achievements, making him one of the most praised sovereigns in Joseon history, and he is also one of the few Korean monarchs in history to be honored with the title "Daewang" along with Gwanggaeto the Great. The Korean alphabet, created by Sejong, is the official writing system of modern-day South Korea and North Korea, and the northern border established during his reign remains the border of the Korean Peninsula to this day. Sejong's reign has had a significant impact on the culture and lives of modern Koreans. Thanks to his achievements, Sejong is considered one of the most respected figures in Korea, along with Admiral Yi Sun-sin.

○ Those who are generous in accepting others always win the hearts of the people, while those who rule harshly with power and force always incur the anger of the people.

○ Meat tastes better the more you chew it. And books taste better the more you read them. You discover and think anew by reading again and again. It is like reading and learning a hundred times.

○ When the ministers are weary, the people are at ease.

○ The most important thing in governing a country is to show trust.

○ The people are the foundation of the country, and a strong foundation leads to a peaceful country.

○ An official position is not about putting someone you like in a position, but about appointing someone who can best fulfill their duties. Even if it is a political enemy or a disrespectful subject.

○ It is the duty of a country to be vigilant, even in times of peace, and to never forget the danger. How can one build a fortress after a bandit has invaded?

○ To broaden one's wisdom, one must first be willing to listen and pay attention, and there is no better way to increase one's wisdom than to read books.