今天对自由民主最严重的威胁不是来自外部，而是来自内部。
The most significant threat to liberal democracy today is not from the outside, but from within.
"The fundamental fact about all of us is that we're alive for a while but will die before long. This fact is the real root cause of all our anger and pain."
最终，我们记住的不是敌人的言语，而是朋友的沉默。
死并非生的对立面，而作为生的一部分永存。
思考的过程不仅仅是把一件事加到另一件事上；它在于观察结构特征和结构要求的操作。
The more we learn, the more we realize how much we don’t know.