People always underestimate the ability of earth to increase its carrying capacity.

It's simplicity itself that its future will be way worse than its past.

One could imagine a period like Japan13 years ago, however, in which indexing over time wouldn't work.

As I talk about strengths and weaknesses in academic economics, one interesting fact you are entitled to know is that I never took a course in economics. And with this striking lack of credentials, you may wonder why I have the chutzpah to be up here giving this talk. The answer is I have a black belt in chutzpah. I was born with it.

Opportunity cost is a huge filter in life. If you've got two suitors who are really eager to have you and one is way the hell better than the other, you do not have to spend much time with the other. And that's the way we filter out buying opportunities.

Size will hurt returns. Look at Berkshire Hathaway - the last five things Warren has done have generated returns that are splendid by historical standards, but now give him $100 billion in assets and measure outcomes across all of it, it doesn't look so good. We can only buy big positions, and the only time we can get big positions is during a horrible period of decline or stasis. That really doesn't happen very often.

While no real money came down, my family gave me a good education and a marvelous example of how people should behave, and in the end that was more valuable than money. Being surrounded by the right values from the beginning is an immense treasure. Warrenhad that. It even has a financial advantage.