在更有价值的人力和非人力资源的生产中，思想是关键投入。
We are at a unique stage in our history. Never before have we had such an awareness of what we are doing to the planet, and never before have we had the power to do something about it.
解决全球饥饿的关键不仅是提高产量，还要改善营养质量。
The only way to overcome obstacles is to face them head-on.
Diplomacy is not a zero-sum game, but the art of finding common interests.