"There is no sun without shadow, and it is essential to know the night."

The countries that have benefited least from fossil fuels should not bear the heaviest burden of climate change.

The highest art is to conceal art.

Stay humble, stay hungry.

全球化不是选择题，而是必答题，中国企业必须走出去。

国际体系本质上是竞争性的，国家不断试图互相超越。