In January 1888, he made a lecture in German at a New Year's party hosted by Yamatokai Society, that was highly praised by Minister Kinmochi SAIONJI, and from January 18 he began to lecture on "Carl von Clausewitz's 'On War' and its establishment in Japan," in response to a request by Iyozo TAMURA, Senior Lieutenant.
1888年（明治21年）1月、大和会の新年会でドイツ語の講演をして公使の西園寺公望に激賞されており、18日から田村怡与造大尉の求めに応じてカール・フォン・クラウゼヴィッツの『戦争論(クラウゼヴィッツ)日本での成立』を講じた。