Having a good idea is one thing, but persuading other people to buy it is quite another. Good inventors are polymaths: they think with their hands and their brains. They're experts in design, engineering and business.

I just want things to work properly.

Designing aircraft and racing cars is an extremely exciting thing.

Today, computers are almost second nature to most of us.

Failure is so much more interesting because you learn from it. That's what we should be teaching children at school, that being successful the first time, there's nothing in it. There's no interest, you learn nothing actually.

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

Companies are not ingenious, it's the people in them that are.