It was always amusing to be inside Apple and read what journalists said we were doing

Am I an Apple bigot? No. I can critique their products and their customer service philosophy. But overall, they do better than any other player.

Good design is also an act of communication between the designer and the user, except that all the communication has to come about by the appearance of the device itself. The device must explain itself.

The designer shouldn't think of a simple dichotomy between errors and correct behavior; rather, the entire interaction should be treated as a cooperative endeavor between person and machine, one in which misconceptions can arise on either side.

Scientists are always skeptics.

If you're more susceptible to interruption, you do more out of the box thinking.

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