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

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

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

In design it is important to shoe the effect of an action. ... Feedback is critical.

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

When you have trouble with things—whether it's figuring out whether to push or pull a door or the arbitrary vagaries of the modern computer and electronics industries—it's not your fault. Don't blame yourself: blame the designer.

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