URL：https://upload.wikimedia.org/wikipedia/commons/thumb/4/44/Half_Portraits_of_the_Great_Sage_and_Virtuous_Men_of_Old_-_Yan_Hui_Ziyuan_(顏回_子淵).jpg/440px-Half_Portraits_of_the_Great_Sage_and_Virtuous_Men_of_Old_-_Yan_Hui_Ziyuan_(顏回_子淵).jpg
掲載元：https://ja.wikiquote.org/wiki/顔回
