农业创新不仅仅是技术问题；它关乎改变思维方式，为子孙后代培育土地。

痛苦可以摧毁一个人，也可以塑造一个人。

I keep thinking about this river somewhere, with the water moving really fast. And these two people in the water, trying to hold onto each other, holding on as hard as they can, but in the end it’s just too much. The current’s too strong. They’ve got to let go, drift apart.

一个好的数学家是懒惰的，但是以一种建设性的方式。