The notion of truth is not definable in any formal system that is strong enough to include arithmetic.
真理的概念在任何足够强大以包含算术的形式系统中都是不可定义的。
The success of diplomacy lies in truly understanding the needs and interests of the other party, and seeking possibilities for cooperation based on that understanding.
"In the end, we will remember not the words of our enemies, but the silence of our friends."