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.

If we want users to like our software we should design it to behave like a likeable person: respectful, generous and helpful.

I just like so many different kinds of music that I like experimenting. I don't want to keep making the same record over and over and over. I'm an 'evolve or die' kind of a musician. I think it's cool to try new things.

Because computers have memories, we imagine that they must be something like our human memories, but that is simply not true. Computer memories work in a manner alien to human memories. My memory lets me recognize the faces of my friends, whereas my own computer never even recognizes me. My computer's memory stores a million phone numbers with perfect accuracy, but I have to stop and think to recall my own.

Define what the product will do before you design how the product will do it.

Men do not greet one another like this ... except perhaps at rugby club dinners.

Computers no longer interface with humans--they interact, and the interaction will become steadily deeper, more subtle, and more crucial to our collective sanity and ultimate survival.