How to become wise Detail from a six-panel folding screen in the Chaekgado style, a still-life genre from the Joseon period depicting a scholar’s books and possessions. Courtesy the National Folk Museum of Korea How to become wise Practice is at the heart of Korean philosophy. In order to lead a good life, hone your daily rituals of self-cultivation by Kevin Cawley + BIO Aeon 6, December, 2022 K..