To me, you are still nothing more than a little boy who is just like a hundred thousand other little boys. And I have no need of you. And you, on your part, have no need of me. To you, I am nothing more than a fox like a hundred thousand other foxes.

Randomized evaluations can help us understand what works and what doesn't in development.

一流智力的检验标准是同时持有两种对立观点，并且仍然能够正常运作的能力。

起初，这些产品都是一个大胆的赌注，明智的人(常常)担心它们无法成功。当我们在9年前推出Prime服务时，它是一种新鲜的、未经实践证明的（有些人甚至会说是鲁莽蛮干的）概念： 无论什么物品都提供两天内送货上门的服务，而客户只需支付很少的包年费用。