你唯一应该试图超越的人就是昨天的自己。
The only person you should try to be better than is the person you were yesterday.
The anarchic nature of the international system means that states must rely on self-help to ensure their survival.
正是在我们最黑暗的时刻，我们必须集中精力看到光明。
"Theoretical computer science is not just about solving problems, but about understanding the nature of computation itself."
Acting is not about being someone different. It's finding the similarity in what is apparently different, then finding myself in there.
"Every word is a world in itself, a universe of meaning."