Only from strength Most people think they know what they are good at. They are usually wrong. More often, people know what they are not good at—and even then more people are wrong than right. And yet, a person can perform only from strength. One cannot build performance on weaknesses, let alone on something one cannot do at all. Peter F. Drucker, Managing Oneself strengthweakness
Each element performs many functions Each element in the system should be chosen and placed so that it performs as many functions as possible. Bill Mollison, Introduction to Permaculture The multiplicity of living patterns function