“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.”

— Bill Mollison

Source: Permaculture: A Designers' Manual (1988), chapter 2.2

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Australian permaculturist 1928–2016

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