Most biologists, (says Vogel, 1981) seem to have heard of the boundary layer, but they have a fuzzy notion that it is a discrete region, rather than the discrete notion that it is a fuzzy region.

Permaculture is the conscious design and maintenance of agriculturally productive ecosystems which have the diversity, stability, and resilience of natural ecosystems. It is the harmonious integration of landscape and people providing their food, energy, shelter and other material and non-material needs in a sustainable way. Without permanent agriculture there is no possibility of a stable social order.

If people want some guidance, I say, just look at what people really do. Don't listen to them that much.

If you lend your skills to other systems that you don't really believe in, then you might as well never have lived. You haven't expressed yourself.

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.

Security can be found in renunciation of ownership over people, money, and real assets; to gain, keep or protect that which others need for periods of legitimate access. A lending library enables people to help themselves to information; a locked-up book collection is useful only to the person who owns it.

The American lawn uses more resources than any other agricultural industry in the world. It uses more phosphates than India and puts on more poisons than any other form of agriculture.