The right of nature... is the liberty each man hath, to use his own power, as he will himself, for the preservation of his own nature; that is to say, of his own life.

Sustainable development requires us to balance economic growth with environmental protection.

我们今天开采的矿物也必须服务于后代的需求。

The history of a nation is, in essence, the history of its ruling class.

Success is not the key to happiness. Happiness is the key to success. If you love what you are doing, you will be successful.

我热爱竞争。这就是我的工作。这就是我如此努力的原因。

"You have to believe in the long term plan you have but you need the short term goals to motivate and inspire you."

我们的遗产将由我们今天如何对待森林来定义。