The world is much more interesting than any one discipline.

In general, I think audiences are a lot smarter than people think. So, it's not "know your audience", it's "respect your audience, and really know your content".

The goal is to provide analytical tools that will last students a lifetime

Design isn't crafting a beautiful, textured button with breathtaking animation. It's figuring out if there's a way to get rid of the button altogether.

I think it is important for software to avoiding imposing a cognitive style on workers and their work.

My father worked for governments all his life as an engineer and public works director.

Here's the general theory: To clarify, add detail. Imagine that. To clarify, add detail. And clutter and overload are not an attribute of information, they are failures of design. If the information is in chaos, don't start throwing out information, instead fix the design.