It was assumed that 'an educated person' had wide knowledge of studies such as History and Sinology, centering on Keisho (most important documents in Confucianism) and Keigaku (study of Keisho in Confucianism).
この「学問を修める」とは経書経学（儒学的知識）を中心に、史学・漢学など幅広い知識を有する読書人であることを前提とする。