When you're doing something for yourself, or your best friend or family, you're not going to cheese out. If you don't love something, you're not going to go the extra mile, work the extra weekend, challenge the status quo as much.

Japan's very interesting. Some people think it copies things. I don't think that anymore. I think what they do is reinvent things. They will get something that's already been invented and study it until they thoroughly understand it. In some cases, they understand it better than the original inventor.

When companies get bigger they try to replicate their success. But they assume their magic came from process. They try to use processes to substitute content.

What we want to do is make a leapfrog product that is way smarter than any mobile device has ever been, and super-easy to use. This is what iPhone is. OK? So, we're going to reinvent the phone.

I've always wanted to own and control the primary technology in everything we do.

My job is to make the whole executive team good enough to be successors, so that's what I try to do.

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.