The cost of adding a feature isn't just the time it takes to code it. The cost also includes the addition of an obstacle to future expansion. ... The trick is to pick the features that don't fight each other.

Honestly, I spend very little time thinking about past events, and I certainly don't have them ranked in any way. I look back and think that I have done a lot of good work over the years, but I am much more excited about what the future holds.

Low-level programming is good for the programmer's soul.

Programming in the abstract sense is what I really enjoy. I enjoy lots of different areas of it... I'm taking a great deal of enjoyment writing device drivers for Linux. I could also be having a good time writing a database manager or something because there are always interesting problems.

If you're willing to restrict the flexibility of your approach, you can almost always do something better

It's nice to have a game that sells a million copies.

Sometimes, the elegant implementation is just a function. Not a method. Not a class. Not a framework. Just a function.