You can't cooperate by knocking something about or bossing it or forcing it to do things.

Choose your friends from people who you like what they do - even though you mightn't like what they say.

One of the great rules of design is do something basic right. Then everything gets much more right of itself. But if you do something basic wrong - if you make what I call a Type 1 Error - you can get nothing else right.

There are a few societies that show signs of having been very rational about the physics of construction and the physics of real life. Some of the old middle-Eastern societies had downdraft systems over whole cities, and passive, rapid-evaporation ice-making systems. They were rational people using good physical principles to make themselves comfortable without additional sources of energy.

Permaculture is a design system for creating sustainable human environments...Permaculture uses the inherent qualities of plants and animals combined with the natural characteristics of landscapes and structures to produce a life supporting system for city and country, using the smallest practical area.

Permaculture is something with a million heads. It's a way of thinking which is already loose, and you can't put a way of thinking back in the box.

To accumulate wealth, power or land beyond one's needs in a limited world is to be truly immoral, be it as an individual, an institution, or a nation-state.