I am a very bottom-up thinker.
One of my most productive days was throwing away 1,000 lines of code.
The X server has to be the biggest program I've ever seen that doesn't do anything for you.
I don't think there are many people up in research who have strong ideas about things that they haven't really had experience with.
I wanted to avoid, special IO for terminals.
In college, before video games, we would amuse ourselves by posing programming exercises.