技术是只有在它让人们能做他们想做的事时，才会被接受。

可持续性不是一种选择，而是必须——如果我们想在养活不断增长的人口的同时不破坏地球的话。

The first lesson of economics is scarcity: There is never enough of anything to satisfy all those who want it. The first lesson of politics is to disregard the first lesson of economics.

我从不回头看，我向前看。