The real contest is always between what you've done and what you're capable of doing. You measure yourself against yourself and nobody else.
真正的竞争总是在你已经完成的事情和你能够做到的事情之间。你衡量自己，只与自己比较，而不是别人。
我想像鸟儿歌唱一样作画。
The highest goal of education is not knowledge, but action.
Sustainability isn't an option—it's an imperative for the future of energy.
Our modern skulls house a Stone Age mind.
In the end, we will remember not the words of our enemies, but the silence of our friends.
The pace of change will never be slower than it is today.