He attributes his considerable energy to the fact that he plays tennis regularly. At the Ministry, he retains the same manner of working he had at Chiao Tung; he prefers informal meetings and working lunches to formal speeches.
這般忙碌，還能保持良好的精神，他認為是平日運動培養出來的體力與耐力所賜。他從學生時代就喜歡運動，尤愛打籃球與網球。