决定性的十年：为什么你的二十岁很重要——以及如何充分利用它们。
The defining decade: Why your twenties matter—and how to make the most of them now.《The Defining Decade》
The most important challenge facing the world today is the need to create strong, effective, and accountable states in the developing world.
农业的真正进步意味着让土地比我们发现时更好。
I always believe if you’re stuck in a hole and maybe things aren’t going well you will come out stronger.
举一个例子尚且不明白，就不要追求见多识广。
力量不在于打击得有多重或有多频繁，而在于打击得有多准确。
Profit should never come at the expense of people or the planet.
The most radical thing you can do is to be yourself.