外交需要持久的耐心和坚定的决心，以推动复杂问题的解决。

煤炭工业是关于人的，而不仅仅是利润。

To isolate mental processes from their adaptive context is to misunderstand them completely.

I'm not going to change who I am or what I do because of what people say.

求知若饥，虚心若愚。