Once IBM gains control of a market sector, they almost always stop innovation. They prevent innovation from happening.

It's not the tools that you have faith in - tools are just tools. They work, or they don't work. It's people you have faith in or not. Yeah, sure, I'm still optimistic I mean, I get pessimistic sometimes but not for long.

The real art is knowing what to leave out, not what to put in.

When I went to school, it was right after the '60s and before this general wave of practical purposefulness had set in.... The idealistic wind of the '60s was still at our backs, though, and most of the people I know who are my age have that engrained in them forever.

First was the mouse. The second was the click wheel. And now, we're going to bring multi-touch to the market. And each of these revolutionary interfaces has made possible a revolutionary product - the Mac, the iPod and now the iPhone.

We don't get a chance to do that many things, and every one should be really excellent. Because this is our life. Life is brief, and then you die, you know? So this is what we've chosen to do with our life.

Your time is limited, so don't waste it living someone else's life.