방법서설 is a philosophical concept in Korean thought that emphasizes the importance of methods and approaches in understanding and solving problems. It focuses on the systematic ways of thinking and acting, encouraging individuals to adopt structured methodologies in various fields, including education, science, and daily life. This concept is often associated with the teachings of 이이 (Lee Yi), a prominent Confucian scholar. He advocated for the application of logical reasoning and practical methods to enhance knowledge and moral development. By prioritizing effective methods, 방법서설 aims to cultivate a more rational and organized society.