In order to fix it, you need a passionate anger about something that doesn't work well.

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.

My interest in film is sort of catholic - apart from science fiction and horror movies, I'll watch almost everything.

Everyone gets knocked back, no one rises smoothly to the top without hindrance. The ones who succeed are those who say, right, let’s give it another go.

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

The key to success is failure… Success is made of 99 percent failure.

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