If you have an apple and I have an apple, and we exchange apples, we both still only have one apple. But if you have an idea and I have an idea, and we exchange ideas, we each now have two ideas.

尽一切职责，而不希望得到任何回报。

在危机时刻，透明度建立信任。

文学是社会的镜子，反映其美德与恶习，希望与恐惧。

技术创新是解决能源安全、环境保护和经济发展三重困境的关键。