It's a good thing Doom 3 is selling very well.

The Xbox 360 is the first console that I've ever worked with that actually has development tools that are better for games than what we've had on PC.

Programming is not a zero-sum game. Teaching something to a fellow programmer doesn't take it away from you. I'm happy to share what I can, because I'm in it for the love of programming.

Focus is a matter of deciding what things you're not going to do.

Note to self: Pasty-skinned programmers ought not stand in the Mojave desert for multiple hours.

Rocket science has been mythologized all out of proportion to its true difficulty.

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

The speed of light sucks.

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

I'd rather have a search engine or a compiler on a deserted island than a game.

If you aren't sure which way to do something, do it both ways and see which works better.

Let the gladness of your soul blossom.

Falling in love is like learning a whole new language and the culture that goes along with it. When you fall out of love it can be hard to pick up where you left off and start a new.

I don't believe in depriving myself of any food or being imprisoned by a diet.

In Christian terms, evangelization and humanization are not alternatives. Nor are the 'vertical dimension' of faith and the 'horizontal dimension' of love for one's neighbor and political change.

When he time comes to leave, just walk away quietly and don't make any fuss.

For me the purest and truest art in the world is science fiction.

You can't trust code that you did not totally create yourself.

As a linguist, I don't think of Ada as a big language. Now, English and Japanese, those are big languages. Ada is just a medium-sized language.

We never think of the main business of life till a vain repentance minds us of it at the wrong end.

I’ve stopped war reporting. I realized that I’d answered all of my questions about war and about myself.