Designer, implementor, user, writer A Fragment by Donald Knuth dl.acm.org Thus, I came to the conclusion that the designer of a new system must not only be the implementor and the first large-scale user; the designer should also write the first user manual. The separation of any of these four components would have hurt TeX significantly. If I had not participated fully in all these activities, literally hundreds of improvements would never have been made, because I would never have thought of them or perceived why they were important. Eating your own dog food making
Maps and observation Maps are useful only when they are used in combination with observation. Never try to design a site by just looking at a map, even if it is thoroughly detailed with contour lines, vegetation, erosion gullies, and so on marked in. Maps are never representative of the complex reality of nature. Remember, "The map is not the territory." Bill Mollison, Introduction to Permaculture BlueprintsGuided by image mapsrealityarchitecture