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.

We’re taught to do things the right way. But if you want to discover something that other people haven’t, you need to do things the wrong way. Initiate a failure by doing something that’s very silly, unthinkable, naughty, dangerous. Watching why that fails can take you on a completely different path. It’s exciting, actually. To me, solving problems is a bit like a drug. You’re on it, and you can’t get off.

If you invent something, you're doing a creative act. It's like writing a novel or composing music. You put your heart and soul into it, and money. It's years of your life, it's your house remortgaged, huge emotional investment and financial investment.

I learned that the moment you want to slow down is the moment you should accelerate.

Apartments are getting smaller on a whole. Houses are getting smaller. People don't need great big vacuums anymore.

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.

So I think the winners in recession are the people who produce new technology that does things better, which people really want.