"Books are the quietest and most constant of friends; they are the most accessible and wisest of counselors, and the most patient of teachers."
农业是国家的根本;军队是国家的武器,城廓是守护自身的保障。这三者是国家应当具备的。
领导力是关于做出今天艰难的决定,这些决定将使后代受益。