世界是一个神秘的地方,我们都在努力找到自己的道路。
It is a sad fate for a man to die too well known to everybody else and still unknown to himself.
The greatest enemy of knowledge is not ignorance, it is the illusion of knowledge.
政策规则优于自由裁量,因为它们消除了时间不一致性问题。
Nothing is more powerful than will, and nothing is more important than determination.