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.
The first essential component of social justice is adequate food for all mankind.
Sustainability is not an option; it's a necessity for the future of farming.
The best thing about getting older is that you don't lose all the other ages you've been.