If robots are to clean our homes, they'll have to do it better than a person.

Success is made of 99% failure.

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.

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.

Designing aircraft and racing cars is an extremely exciting thing.

If you can't be unconventional, be obtuse. Be deliberately obtuse, because there are 5 billion people out there thinking in train tracks, and thinking what they have been taught to think.

[M]anufacturing, science and engineering are ... incredibly creative. I'd venture to say more so than creative advertising agencies and things that are known as the creative industries.