Isn't one of your first exercises in learning how to communicate to write a description of how to tie your shoelaces? The point being that it's basically impossible to use text to show that

The designer shouldn't think of a simple dichotomy between errors and correct behavior; rather, the entire interaction should be treated as a cooperative endeavor between person and machine, one in which misconceptions can arise on either side.

Simplicity design axiom: The complexity of the information appliance is that of the task, not the tool. The technology is invisible.

User experience is really the whole totality. Opening the package good example. It's the total experience that matters. And that starts from when you first hear about a product experience is more based upon memory than reality. If your memory of the product is wonderful, you will excuse all sorts of incidental things.

Everyday people are not very good designers.

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

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