You have to understand, we have better communications and better transportation, so people know what's available elsewhere and can get a message out, and you can move things. And you [can] say that the economy is more unpredictable.

The problem of dealing with the financial industry is being addressed today. You can measure it with interest rates coming down. You can measure it with the quantity of loans, and that sort of thing. The problem is, that nobody wants to take the loans. Once the banks are willing to give it, that's only half the problem.

Central planning didn't work for Stalin or Mao, and it won't work for an entrepreneur either.

You can bet - a good chance of Hillary [Clinton], a good chance of [Donald] Trump - but not 100% in either case.

You can't sit there and worry about everything.

By speeding the transition to cleaner energy, we can improve the lives of billions of people, while also reducing the risks we face from a changing climate.

We have an energy policy - we're transferring our wealth to overseas to a bunch of countries that don't have the same values as us. In some cases, they're using our money to finance terrorism against us.