I find the parallels between how some investors refuse to recognise the trends and our reaction to some of our environmental challenges very powerful. There is an unwillingness to process unpleasant data.

If stocks are attractive and you don't buy, you don't just look like an idiot, you are an idiot.

We live on a finite planet. We have finite resources, and we're running out of good, arable land.

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.

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

Investment bubbles and high animal spirits do not materialize out of thin air. They need extremely favorable economic fundamentals together with free and easy, cheap credit, and they need it for at least two or three years. Importantly, they also need serial pleasant surprises in such critical variables as global GNP growth.

I like to be right. I try not to miss the big ideas, forget the little ones, and try to get them right. End of job description.