In his later years, externally he made an effort to normalize the diplomatic relations with the Soviet Union, while internally he criticized the party politics of Japan controlled by the logic of the majority, and he toured throughout Japan advocating purification of elections through establishing the ethics and morals in politics.
晩年はソビエト連邦との国交回復に尽力する一方、数の論理で支配される政党政治を批判し、倫理確立による選挙粛正を唱え全国を遊説した。