his planet came with a set of instructions, but we seem to have misplaced them. Important rules like don’t poison the water, soil, or air, don’t let the earth get overcrowded, and don’t touch the thermostat have been broken.

If everyone thinks you have a good idea, you´re too late

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.

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.

Don't go to business school.

Don't be put off by people who know what is not possible. Do what needs to be done, and check to see if it was impossible only after you are done.

Business is correct to defend its right to act in order to produce a vigorous and engaging prosperity. But it is wrong if it forgets that this freedom can only be experienced within the discipline of social responsibility.