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
Deep Interlock Forms which have a high degree of life tend to contain some type of interlock – a “hooking into” their surroundings – or an ambiguity between element and context, either case creating a zone belonging to both the form and to its surroundings, making it difficult to disentangle the two. The interlock, or ambiguity, strengthens the centers on either side, which are intensified by the new center formed between the two. Christopher Alexander, The Nature of Order The versatility of flat surfacesStrength from both mass and form168. Connection to the EarthInterlockingProtected, yet tuned in naturearchitecture