可持续性不是一种趋势，而是我们对后代的责任。

The truth is not always what we want to hear, but it is what we need to know.

过去是你记得的、想象你记得的、说服自己记得的或假装记得的东西。

My goal is simple. It is a complete understanding of the universe, why it is as it is and why it exists at all.

好与伟大之间的区别在于细节。

气候变化是对我们农业智慧的最大考验。