有时最重要的实验是那些失败的实验，因为它们教会我们什么是行不通的。
Sometimes the most important experiments are the ones that fail, because they teach us what doesn't work.
I think frugality drives innovation， just like other constraints do. One of the only ways to get out of a tight box is to invent your way out.
The future of energy lies in diversification—no single source will meet all our needs.
如果货币政策不以时间一致的方式进行，可能会产生不稳定。
最少的材料，最大的效果。
Every grain we grow carries the legacy of those who cultivated the earth before us.