函数是一种对应规则，通过它当给定任何东西（作为参数）时，可以获得另一个东西（该参数的函数值）。

农业中最宝贵的资源不是土地或水，而是知识。

On pivoting: "If you're not stubborn， you'll give up on experiments too soon. And if you're not flexible， you'll pound your head against the wall and you won't see a different solution to a problem you're trying to solve."

Modern quarrying requires us to be geologists, ecologists, and community diplomats simultaneously.

You could be whatever you wanna be, just turn yourself into anything you think that you could never be.

生命是一段旋律，让它变得美丽。