A computer shall not waste your time or require you to do more work than is strictly necessary.

Users do not care about what is inside the box, as long as the box does what they need done.

An interface is humane if it is responsive to human needs and considerate of human frailties.

I hate mice. The mouse involves you in arm motions that slow you down. I didn't want it on the Macintosh, but Jobs insisted. In those days, what he said went, good idea or not.

I am only a footnote, but proud of the footnote I have become. My subsequent work on eliciting principles and developing the theory of interface design, so that many people will be able to do what I did is probably also footnote-worthy. In looking back at this turn-of-the-century period, the rise of a worldwide network will be seen as the most significant part of the computer revolution.

Imagine if every Thursday your shoes exploded if you tied them the usual way. This happens to us all the time with computers, and nobody thinks of complaining.

As far as the customer is concerned, the interface is the product.