The challenge of our time is to build an economy that works for everyone, not just the privileged few.
我们时代的挑战是建立一个为所有人服务的经济，而不仅仅是少数特权阶层。
People must feel that the natural world is important and valuable and beautiful and wonderful and an amazement and a pleasure.
相信科学的过程——它很慢，但它是有效的。
"The best and most beautiful things in the world cannot be seen or even touched - they must be felt with the heart."
世界上最伟大的事情就是知道如何属于自己。
下一代将根据我们在水中留下的东西来评判我们，而不是我们从中获取的东西。