What we already know frames what we see, and what we see frames what we understand.

If they [companies] believe they are in business to serve people, to help solve problems, to use and employ the ingenuity of their workers to improve the lives of people around them by learning from the nature that gives us life, we have a chance.

Inspiration is not garnered from the litanies of what may befall us; it resides in humanity's willingness to restore, redress, reform, rebuild, recover, reimagine, and reconsider.

We are now heading down a centuries-long path toward increasing the productivity of our natural capital - the resource systems upon which we depend to live - instead of our human capital.

I'd rather fail at something important than succeed at something trivial.

Intelligent policies will be largely self-regulating in the sense that the system of incentives and standards makes it absolutely ludicrous to not move towards clean, internalized systems of cost and production.

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.