Instead of physicists teaching physics, physicists should go home and see what physics applies to their home.

We have to rethink how we're going to live on this earth - stop talking about the fact that we've got to have agriculture, we've got to have exports, because all that is the death of us.

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

Sitting at our back doorsteps, all we need to live a good life lies about us. Sun, wind, people, buildings, stones, sea, birds and plants surround us. Cooperation with all these things brings harmony, opposition to them brings disaster and chaos.

If and when the whole world is secure, we have won a right to explore space, and the oceans. Until we have demonstrated that we can establish a productive and secure earth society, we do not belong anywhere else, nor (I suspect) would we be welcome elsewhere.

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.

Freezing concentrates sugar (maple sugar), alcohol, and salt solutions as efficiently as heating distils water or alcohol from solutions. Open pans of maple sugar can have the surface ice removed regularly (each day) until a sugar concentrate remains. Salts in water, and alcohol in ferment liquors can be concentrated in the same way.