Marshall McLuhan

It's not just the kid who's spent every penny from his job to upgrade his car to tell the world he cares about sports cars, it's also the person driving around in a fuel-conscious hybrid electric car, because it's more a message to the world than an effective means of saving fuel, to be quite honest.

And I think that still is true of this business - which is basically research and development - that you probably spend more time in planning and training and designing for things to go wrong, and how you cope with them, than you do for things to go right.