The key to success is failure… Success is made of 99 percent failure.

A lot of people give up when the world seems to be against them, but that's the point when you should push a little harder. I use the analogy of running a race. It seems as though you can’t carry on, but if you just get through the pain barrier, you'll see the end and be okay. Often, just around the corner is where the solution will happen.

The computer dictates how you do something, whereas with a pencil you're totally free.

I imported the first Mac into England in 1984; you know, the beige box. I imported what I think were the first four that came into England. I never opened the instruction manual. That was the best thing about it.

Designing aircraft and racing cars is an extremely exciting thing.

Far too few designers put any thought into usability, ending up with a great product that's completely inaccessible.

When I started off, I was working in a shed behind my house. All I had was a drill, an electric drill. That was the only machine I had.