There's nothing - I've bought everything I want. I don't like yachts or anything; you know, I'm not a yacht person, and I've got pretty much the nicest plane I'd want to have.

My background educationally is physics and economics, and I grew up in sort of an engineering environment - my father is an electromechanical engineer. And so there were lots of engineery things around me.

We're running the most dangerous experiment in history right now, which is to see how much carbon dioxide the atmosphere can handle before there is an environmental catastrophe.

Let's think beyond the normal stuff and have an environment where that sort of thinking is encouraged and rewarded and where it's okay to fail as well. Because when you try new things, you try this idea, that idea... well a large number of them are not gonna work, and that has to be okay. If every time somebody comes up with an idea it has to be successful, you're not gonna get people coming up with ideas.

People will buy the car just because it's a great car. We want them to think it's excellent value for money and then, oh yeah, it happens to be electric.

Trying to read our DNA is like trying to understand software code - with only 90% of the code riddled with errors. It's very difficult in that case to understand and predict what that software code is going to do.

Does the logic connect? What are the range of probably outcomes? You want to figure out what those probabilities are and ideally be the House. It's fine to gamble, as long as you're the House. Also, listen to critical feedback, particularly from friends. Generally they will be thinking it but they won't tell you.