一个民族的活力随天气而变化。

"The world is full of obvious things which nobody by any chance ever observes."

It really matters whether people are working on generating clean energy or improving transportation or making the Internet work better and all those things. And small groups of people can have a really huge impact.

翻译：准备各种物资以充分利用，制成器具给天下带来利益，没有比圣人更伟大的了。