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

Fear is always a good motivator.

Goodness, I know nothing about nuclear energy.

I don't believe in brands.

I don't design down to a price.

I don't do something necessarily to make a big profit or because it's a logical business decision.

I don't particularly follow the Bauhaus school of design, where you make everything into a black box - simplify it.

I hate science fiction.

I like living on the edge.

I myself scraped seven poor passes at O-level.

I own every share of my company, and I don't want to sell any of it.

I think if you have to pay for your education, you worry very seriously about you're going to do when you've got your degree.

I think people are realizing that engineering and science are extremely good degrees to get and you'll be very highly paid once you've got them.

I think the search engines are the new equivalent of publishing: an enabler of information.

I want entrepreneurs to be engineers and scientists and designers; they don't necessarily have to be Internet entrepreneurs or retail entrepreneurs.

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.

I'm afraid I am tidy, and I have to be because the office is open plan and my glass office door is literally always open.

I'm not a businessman.

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

If you want to do something different, you're going to come up against a lot of naysayers.