Hire inexperience. This year we plan to hire 200 engineers - half of whom are recent grads. Young people are not burdened by years of experience. They haven't learned - or been told - what is right or wrong. With engineering, there is no tried and tested path. You try, and fail, and fix, and fail again.

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.

What I've learned from running is that the time to push hard is when you're hurting like crazy and you want to give up. Success is often just around the corner.

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

The way the world is going, it's technology driven. And it isn't just driven by the old super powers, it's driven by the far east and new emerging economies.

Nobody wants the expenditure of a lease on a factory which lasts 21 years. You can't plan 21 years ahead.

After the idea, there is plenty of time to learn the technology