You can hit a nail on the head, or cause a machine to do so, and get a fairly predictable result. Hit a dog on the head, and it will either dodge, bite back, or die, but it will never again react in the same way. We can predict only those things we set up to be predictable, not what we encounter in the real world of living and reactive processes.

The only ethical decision is to take responsibility for our own existence and that of our children.

When you get deep ecologists who are philosophers, and they drive cars and take newspapers and don't grow their own vegetables, in fact they're not deep ecologists - they're my enemies.

The important thing is not to do any agriculture whatsoever, and particularly to make the modern agricultural sciences a forbidden area - they're worse than witchcraft, really.

Permaculture is an integrated, evolving system of perennial and self-perpetuating plants and animal species useful to man.

There are only four things in all cleaners - whether it's shampoo, laundry detergent, whatever.You buy them in bulk and you mix them up properly, and they all work. It doesn't matter if they call the stuff ecologically friendly or have dolphins diving around on the label - it still has these damn four things in it. Anything else is just unnecessary additions to make it smell good or color it blue when it goes down the toilet.

"Should we tamper with nature?" is no longer a question - we've tampered with nature on the whole face of the Earth.