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

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.

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

A computer shall not harm your work or, through inaction, allow your work to come to harm.

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.

An unlimited-length file name is a file. The content of a file is its own best name.

When you have to choose among methods, your locus of attention is drawn from the task and temporarily becomes the decision itself.