When the last tree is cut, the last dollar will lose its meaning.
最先进的农业系统仍然依赖于最基本的要素:健康的土壤。
The secret of change is to focus all your energy not on fighting the old, but on building the new.
当你刚刚创造出以前不存在的东西时,世界似乎总是更明亮。
每个国家都是它讲述给自己的故事。
“追求科学不仅是一种职业,而且是一种生活方式。”