No matter how beautiful, no matter how cool your interface, it would be better if there were less of it.

Just how do I design if not with prototyping? An excellent question. The short answer is 'on paper.'

It has been said that the great scientific disciplines are examples of giants standing on the shoulders of other giants. It has also been said that the software industry is an example of midgets standing on the toes of other midgets.

A powerful tool in the early stages of developing scenarios is to pretend the interface is magic. If your persona has goals and the product has magical powers to meet them, how simple could the interaction be? This kind of thinking is useful to help designers look outside the box.

You can get spiritual things out of books and stories and they have nothing to do with religion.

Keep it simple: In general, interfaces should use simple geometric forms, minimal contours, and a restricted color palette comprised primarily of less-saturated or neutral colors balanced with a few high contrast accent colors that emphasize important information. Typography should not vary widely in an interface.

We don't fight about music. We don't fight about artistic direction. The things like that we could fight about, we really don't. We are pretty lucky for that.