你无法管理你无法衡量的东西。
"You can't manage what you can't measure."
You must be filled with expectancy. You must be awash in hope.
【译文】树应该遗憾自己的枝上长不出叶子,不要抱怨太阳偏心眼。人的一切都是命中注定的,一星半点也由不得自己。
Farmers are the original environmentalists; we must support their work.