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

The beauty of mathematics lies in its ability to describe the universe in the most elegant way possible.

居身平安之境要考虑危难之时，处身太平盛世要想到乱世之日。

I can never be safe; I always try and go against the grain. As soon as I accomplish one thing, I just set a higher goal. That’s how I’ve gotten to where I am.

我确信宇宙中充满了智慧生命。只是它们太聪明了，不会来这里。