你会说他做这些是为了讨好看守。或者也许是为了同我们搞好关系。而我则认为他只是为了再度体验一下正常人的感觉，哪怕只是为了短短的片刻。

Nature is a book, and each species is a chapter, each species is a story.

——《民生主义第三讲》

The best economic insights come from observing how people actually behave.

Collaboration across disciplines is essential for breakthroughs in agricultural science.

有时候我真想放弃，但想到会让很多人失望，我就坚持下来。