生活只有一次，必须活得热烈，但也要小心，因为没有重来的机会。
预测未来的最好方式就是创造未来。
Sustainability isn’t an option; it’s the only way forward.
不必担忧财富不多，只须担忧财富不平均，不必担忧人口稀少，只须担忧境内不安宁。……既来了，要使他们安家乐业。
In the wild, you learn that failure is not the end. It’s just a step on the journey.
"Writing is a way to make sense of the world and our place in it."
No man really knows about other human beings. The best he can do is to suppose that they are like himself.