The difference between animals and humans is that humans are capable of reasoning, but even that is unreliable.
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。
"The challenge is to make the invisible visible."
市场保持非理性的时间可能比你保持偿付能力的时间更长。