无家可归并不是没有家，而是让你的家永远处于疑问之中。
我来这里不是为了当第二，我是来赢的。
做伟大工作的唯一方法就是热爱你所做的事情。
一件事不一定是真的或假的；它可能既是真的又是假的。
获得智慧是一种道德责任，它不仅仅是为了让你们的生活变得更加美好。有一个相关的道理非常重要，那就是你们必须坚持终身学习。如果不终身学习，你们将不会取得很高的成就。光靠已有的知识，你们在生活中走不了多远。
Wisdom acquisition is a moral duty. It’s not something you do just to advance in life. And there’s a corollary to that proposition which is very important. It means that you’re hooked for lifetime learning, and without lifetime learning you people are not going to do very well. You are not going to get very far in life based on what you already know.
"To understand a country, you must understand its silences."
The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.
写作的行为是一种勇气的行为。