Success is made of 99% failure.

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.

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

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.

Anger is a good motivator.

Britain's great strength is its innovative, design and engineering natural ability and we're not using it.

Engineering undergraduates should not be charged fees. They should receive grants, not student loans, and the government will get the money back long-term from increased exports.