The psychologist must avoid all teleological interpretations.

The structure of the international system, not the intentions of individual states, is the primary determinant of state behavior.

我认为我们都有一些对失败的恐惧，而这正是驱使我们成功的原因。

能克服自己的私欲，什么祸害对你都是无可奈何的了。

Life is about taking chances and going for it.

I've learned that you can't control everything, but you can control how you react to it.

数学证明的优雅在于其简洁和清晰。

领导力是激励他人实现他们认为不可能的事情。