If you don't have a passion, you'll give up.

I've read something that Bill Gates said about six months ago. He said, ‘I worked really, really hard in my 20s.’ And I know what he means, because I worked really, really hard in my 20s too. Literally, you know, 7 days a week, a lot of hours every day. And it actually is a wonderful thing to do, because you can get a lot done. But you can't do it forever, and you don't want to do it forever, and you have to come up with ways of figuring out what the most important things are and working with other people even more.

The seven-inch tablets are tweeners: too big to compete with a smartphone, and too small to compete with an iPad.

When the sales guys run the company, the product guys do not matter so much, and a lot of them just turn off.

The manual for WordStar, the most popular word-processing program, is 400 pages thick. To write a novel, you have to read a novel - one that reads like a mystery to most people. They're not going to learn slash q-z any more than they're going to learn Morse code. That is what Macintosh is all about.

What had been the focus of my entire adult life was gone, and it was devastating. I didn't really know what to do for a few months. I felt that I had let the previous generation of entrepreneurs down. I was a very public failure.

When you start looking at a problem and it seems really simple, you don't really understand the complexity of the problem. Then you get into the problem, and you see that it's really complicated, and you come up with all these convoluted solutions. That's sort of the middle, and that's where most people stop... But the really great person will keep on going and find the key, the underlying principle of the problem - and come up with an elegant, really beautiful solution that works.