I was worth about over a million dollars when I was 23 and over ten million dollars when I was 24, and over a hundred million dollars when I was 25 and... it wasn't that important — because I never did it for the money.

That's been one of my mantras - focus and simplicity. Simple can be harder than complex: You have to work hard to get your thinking clean to make it simple. But it's worth it in the end because once you get there, you can move mountains.

Microsoft has had two goals in the last 10 years. One was to copy the Mac, and the other was to copy Lotus' success in the spreadsheet - basically, the applications business. And over the course of the last 10 years, Microsoft accomplished both of those goals. And now they are completely lost.

Computers themselves, and software yet to be developed, will revolutionize the way we learn.

Design is the fundamental soul of a man-made creation that ends up expressing itself in successive outer layers of the product or service. The iMac is not just the color or translucence or the shape of the shell. The essence of the iMac is to be the finest possible consumer computer in which each element plays together.

I'm convinced that about half of what separates successful entrepreneurs from the non-successful ones is pure perseverance.

Remembering that I'll be dead soon is the most important tool I've ever encountered to help me make the big choices in life. Because almost everything - all external expectations, all pride, all fear of embarrassment or failure - these things just fall away in the face of death, leaving only what is truly important.