The whole conviction of my life now rests upon the belief that loneliness, far from being a rare and curious phenomenon, peculiar to myself and to a few other solitary men, is the central and inevitable fact of human existence.

The most important single aspect of software development is to be clear about what you are trying to build.

Natural experiments are a powerful tool for understanding causal relationships in the real world.

Talent without working is nothing.

最好的技术是无形的，它只是默默地发挥作用。

我不相信运气，我相信准备遇到机会。