At the same time, to inculcate the idea of serving the nation and society in his son's mind, the late President advised him not only to study the Book of Changes and the writings of Tseng Wen-tseng and Hu Lin-yi, but also to learn English and gain an understanding of mathematics.
看完主義後，再看軍人精神教育一書，亦在中山全書之中。如能瞭解以上各書，則中國之政治、社會、經濟與哲學，皆可得其基礎矣。」「此時你應在家安心練習漢文，研究歷史與哲學，使他日為國家與社會服務，不愧為蔣氏之子。