What we need to do is make batteries safer, more efficient, and more environmentally friendly.

The true value of a forest is measured not just in board feet, but in biodiversity and ecosystem health.

You cannot hope to build a better world without improving the individuals. To that end, each of us must work for our own improvement and, at the same time, share a general responsibility for all humanity, our particular duty being to aid those to whom we think we can be most useful.

I don’t like to overthink music—it should flow naturally.

I like to say that I'm not a politician, I'm a citizen who cares deeply about my country.

对人类行为的经济学方法并非其他方法的替代品，而是一种补充。

压力造就钻石。