The agriculture taught at colleges between 1930 and 1980 has caused more damage on the face of the Earth than any other factor.

Why is it that we don't build human settlements that will feed themselves, and fuel themselves, and catch their own water, when any human settlement could do that easily? When it's a trivial thing to do?

A house should look after itself - as the weather heats up the house cools down, as the weather cools down the house heats up. It's simple stuff, you know? We've known how to do it for a long time.

I can easily teach people to be gardeners, and from them, once they know how to garden, you'll get a philosopher.

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.

We don't have to suppose we need oil, or governments, or anything.

The first time I saw a review of one of my permaculture books was three years after I first started writing on it. The review started with, "Permaculture Two is a seditious book." And I said, "At last someone understands what permaculture's about."