While there may be no "right" way to value a forest or a river, there is a wrong way, which is to give it no value at all. How do we decide the value of a 700-year-old tree? We need only to ask how much it would cost to make a new one, or a new river, or even a new atmosphere.

The financial capital is being concentrated by corporations, institutional investors, and even our pension funds, and being reinvested in companies that repeat this process because it provides the highest return on that financial capital.

You can blame people who knock things over in the dark or you can begin to light candles. You're only at fault if you know about the problem and choose to do nothing.

The most unrealistic person in the world is the cynic, not the dreamer.

The bottom line is down where it belongs – at the bottom. Far above it in importance are the infinite number of events that produce the profit or loss.

We can no longer prosper by increasing human productivity. The more we try to do, the more poverty we will create.

Always leave enough time in your life to do something that makes you happy, satisfied, even joyous. That has more of an effect on economic well-being than any other single factor.