历史的伤痕并非总是可见的，但它们始终存在。
The world is all that is the case.
政策规则优于自由裁量，因为它们避免了时间不一致性问题。
创新不仅仅是创造新事物；它是为了改变人们的生活。
To understand a life, one must first understand the age in which it was lived.
The power of words lies in their ability to create worlds.
森林是一位老师，只要我们愿意学习。
系统的力量来自于其组合和分解表征的能力。
The more you know who you are, and what you want, the less you let things upset you.
It is always good to have a problem that you cannot solve. It means you have something to work on.