Once the product's task is known, design the interface first; then implement to the interface design.

A well-designed and humane interface does not have to be split into beginner and expert subsystems.

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

If our field is "to advance", we must - without displacing creativity and aesthetics - make sure our terminology is clear.

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.

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

Right now, computers, which are supposed to be our servant, are oppressing us.