The climate system is extraordinarily complex, and our understanding of it is still evolving.

当机会来临时，你必须抓住它。

最好的农业解决方案往往是最简单的。

The stories are not autobiographical, but they're personal in that way. I seem to know only the things that I've learned. Probably some things through observation, but what I feel I know surely is personal.

Leadership is about making others better as a result of your presence and making sure that impact lasts in your absence.

数学让我们看到支配周围世界的隐藏结构。

The choice for mankind lies between freedom and happiness and for the great bulk of mankind, happiness is better.