上帝不能无处不在，所以他创造了母亲。

——致书蒋介石，1920年10月29日

森林的真正价值不仅在于木材产量，还在于生物多样性和生态系统健康。

The boundaries which divide Life from Death are at best shadowy and vague. Who shall say where the one ends, and where the other begins?

Look at a day when you are supremely satisfied at the end. It's not a day when you lounge around doing nothing; it's a day you've had everything to do and you've done it.

像煤炭开采这样的传统行业中的创新不仅是可能的——它是必不可少的。

没有对人类的热爱，英雄又是什么？

舞台是灵魂的战场。