We've been borrowing from the future, and the debt has fallen due. The science says we have physically entered a period of great change, a synchronized, related crash of the economy and ecosystem.

"If you cannot remember what you are told, you must use trial and error. The thing to keep in mind about trial and error is that some errors are quite final.

The economy is a wholly owned subsidiary of the environment, not the other way around.

Don’t waste time arguing with someone who won’t change their minds. It’s not your job to change minds, it’s your job to find minds that want to change.

Business is the economic engine of our Western culture, and if it could be transformed to truly serve nature as well as ourselves, it could become essential to our rescue.

If leaders don’t think in new ways, there are vacancies for them in museums

Don’t confuse getting rid of what you don’t want, with getting what you do want.

The highest purpose of humanity is to be good stewards of the resources we are blessed with, not to hold our breath in an effort to minimize our CO2 emmissions.

The fact that there are other cultural perspectives which prefer adaptation over manipulation is encouraging. We don't have to think the ways we currently do. We have choice.

You cannot get through a single day without having an impact on the world around you. What you do makes a difference, and you have to decide what kind of difference you want to make.