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 hardest part of design ... is keeping features out.

I'm not a fan of technology . I'm a fan of pedagogy, of understanding how people learn and the most effective learning methods. But technology enables some exciting changes.

Learning should take place when it is needed, when the learner is interested, not according to some arbitrary, fixed schedule

Having the best product means nothing if the people won't buy it.

The best kind of design isn't necessarily an object, a space, or a structure: it's a process- dynamic and adaptable.

Design is really an act of communication, which means having a deep understanding of the person with whom the designer is communicating.