I wish we hadn't used all the keys on the keyboard.
Sometimes the easiest way to get something done is to be a little naive about it.
Operating systems are like underwear — nobody really wants to look at them.
I got tired of people complaining that it was too hard to use UNIX because the editor was too complicated.
The point is that you want to have a system that is responsive.
I think one of the interesting things is that vi is really a mode-based editor.