Though the philosophy of Jo Sik was based on 朱子學, making little of the frame of particular sects, he adopted any doctrines useful for his moral self-cultivation. Such an attitude appeared in his practical method of self-cultivation and he tried various methods using many tools such as bells, swords, pictures and leather belts. These miscellaneous characters are found in his work 學記類編. This book does not seem edited with a clear plan outwardly and it seems very difficult to abstract the system of his consistent theories from it. Such miscellaneous characters had a very important meaning in the process of his self-cultivation. It is 敬 that was placed in the center of the method of his self-cultivation. Investing into the parts of this book in which 敬 is treated, we can find the importance of 敬 in his thought and the variety of the concrete methods of practicing 敬. Many works of Sung dynasty and Yu˙˙an dynasty were quoted in this book and any works of Ming dynasty were not. But examining words and phrases quoted in this book one by one, we can find that many of them were

Ⅰ. 『學記類編』 硏究の意義 
 Ⅱ. 南冥の敬 
 Ⅲ. 『學記類編』 たおけゐ敬の資料 
 Ⅳ. 南冥思想の意義

• 土田健次郞