Americans are just about the worst at dealing with long-term problems, down there with Uzbekistan, but they respond to a market signal better than almost anyone. They roll the dice bigger and quicker than most.

I would say that financial markets are very inefficient, and capable of extremes of being completely dysfunctional.

Capitalism believes that its remit is exclusively to make maximum short-term profits.

You don't actually find a strong correlation between- top-line GDP growth and making money in the market. It- it seems like you should. The fastest-growing countries should give you the highest return. They simply don't. But, there's only four of us- that- that believe that story. Everyone else in the world believes that if you grow fast like China, you'll outperform in the stock market.

The potential for alternative energy sources, mainly solar and wind power, to completely replace coal and gas for utility generation globally is, I think, certain. The question is only whether it takes 30 years or 70 years.

There is no single theory that is used in economics that considers the finite nature of resources. It's shocking.

I hate gold. It does not pay a dividend, it has no value, and you can't work out what it should or shouldn't be worth," he said. "It is the last refuge of the desperate.