The secret of success is learning how to use pain and pleasure instead of having pain and pleasure use you. If you do that, you’re in control of your life. If you don’t, life controls you.

Engineering is about solving problems, not just making things look pretty.

I am not young enough to know everything.

A distributed system is one in which I can’t get any work done because some machine I’ve never heard of has crashed.

最深刻的发现往往来自最简单的观察。