The magi brought valuable gifts, but that was not among them. This dark assertion will be illuminated later on.

Architecture is the art of how to waste space.

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

在商业中，如果你不前进，你就在落后。

我不是天才，我只是一个努力工作的人。

我什么都不是。我永远不会成为什么。我不能渴望成为什么。除此之外，我心中装着全世界的梦想。

最好的研究往往来自意想不到的观察。