Readers always seem to think that the author has some control over the design of their books.

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

I think there is a tendency in science to measure what is measurable and to decide that what you cannot measure must be uninteresting.

The world is complex, and so too must be the activities that we perform. But that doesn't mean that we must live in continual frustration. No. The whole point of human-centered design is to tame complexity, to turn what would appear to be a complicated tool into one that fits the task, that is understandable, usable, enjoyable.

The problem with emotion was that it was clearly something important, but-at least according to the old philosophy-it was something to overcome.

Simplification is as much in the mind as it is in the device.

Our information lives will be better served when we are free to get to our information from wherever we are, with any device available.