Attractive things work better When you wash and wax a car, it drives better, doesn’t it? Or at least feels like it does.

You won't catch me giving clear lectures.

The current paradigm is so thoroughly established that the only way to change is to start over again.

So what does a good teacher do? Create tension - but just the right amount.

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

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

What makes something simple or complex? It's not the number of dials or controls or how many features it has: It is whether the person using the device has a good conceptual model of how it operates.