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
The usages of life A Fragment by Eugène Viollet-le-Duc victorianweb.org During the sixteenth and seventeenth centuries architects not only paid attention to internal arrangements, but subordinated the designs for the exterior to them. The usages of life dictated the arrangement and the arrangement suggested the form of the building. This was the dominant principle in times of Classical Antiquity and the Middle Ages. The Timeless Way of BuildingForm follows function architecturefunction