最终，我们记住的不是敌人的话语，而是朋友的沉默。
"In the end, we will remember not the words of our enemies, but the silence of our friends."
The more you take responsibility for your past and present, the more you are able to create the future you seek.
The most important skill for an empirical researcher is not math, but judgment.
The strength of liberal democracy lies in its ability to adapt and reform itself.