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。
Literature is the art of discovering something extraordinary about ordinary people, and saying with ordinary words something extraordinary.
Mathematics is not a spectator sport.
Quality is never an accident; it's the result of intention and effort.
"The world is a book, and those who do not travel read only one page."
我不喜欢害怕，我喜欢无所畏惧。
The most reliable way to predict the future is to invent it.
The purpose of life is not to be happy. It is to be useful, to be honorable, to be compassionate, to have it make some difference that you have lived and lived well.