Technology may change rapidly, but people change slowly. The principals [of design] come from understanding of people. They remain true forever.

We expert teachers know that motivation and emotional impact are what matter.

A challenge to the designers of the world: Make signs unnecessary.

Isn't one of your first exercises in learning how to communicate to write a description of how to tie your shoelaces? The point being that it's basically impossible to use text to show that

I think a successful company is one where everybody owns the same mission. Out of necessity, we divide ourselves up into discipline groups. But the goal when you are actually doing the work is to somehow forget what discipline group you are in and come together. So in that sense, nobody should own user experience; everybody should own it.

User-centered design means working with your users all throughout the project.

You won't catch me giving clear lectures.