Anyone developing new products and new technology needs one characteristic above all else: hope.

I was frustrated as a child when I had to use a vacuum. It had a screaming noise and the smell of stale dog and a lack of performance.

Anger is a good motivator.

Manufacturing is more than just putting parts together. It's coming up with ideas, testing principles and perfecting the engineering, as well as final assembly.

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

In the past, the U.K. got away with selling things that weren't unusual. Now it's no use trying to export without having something that's unusual and better.

There is no such thing as a quantum leap. There is only dogged persistence - and in the end you make it look like a quantum leap.