Some people don't like change, but you need to embrace change if the alternative is disaster.

Optimism, pessimism, f**k that; we're going to make it happen. As God is my bloody witness, I'm hell-bent on making it work.

Biofuels such as ethanol require enormous amounts of cropland and end up displacing either food crops or natural wilderness, neither of which is good.

Self-driving cars are the natural extension of active safety and obviously something we should do.

The reason we should do a carbon tax is because it's the right thing to do. It's economics 101, elementary stuff.

There are some important differences between me and Tony Stark, like I have five kids, so I spend more time going to Disneyland than parties.

If you're trying to create a company, it's like baking a cake. You have to have all the ingredients in the right proportion.