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.

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.

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.

It costs the same to send a person to prison or to Harvard. The difference is the curriculum.

We are losing our living systems, social systems, cultural systems, governing systems, stability, and our constitutional health, and we're surrendering it all at the same time.

Being a good human being is good business.

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