Only the most sophisticated of beings can lie and cheat, and get away with it.

If you think of the product as a service, then the separate parts make no sense - the point of a product is to offer great experiences to its owner, which means that it offers a service. And that experience, that service, comprises the totality of its parts: The whole is indeed made up of all of the parts. The real value of a product consists of far more than the product's components.

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

No product is an island. A product is more than the product. It is a cohesive, integrated set of experiences. Think through all of the stages of a product or service - from initial intentions through final reflections, from first usage to help, service, and maintenance. Make them all work together seamlessly. That's systems thinking.

Also note that invariably when we design something that can be used by those with disabilities, we often make it better for everyone

How do you discover a need that nobody yet knows about? This is where the product breakthroughs come through.

Complexity is acceptable as long as it is intelligible and necessary. We want to avoid needless complications.