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 quality without a name There is a central quality which is the root criterion of life and spirit in a man, a town, a building, or a wilderness. This quality is objective and precise, but it cannot be named. There are words we use to describe this quality: alive whole comfortable free exact egoless eternal But in spite of every effort to give this quality a name, there is no single name which captures it. Christopher Alexander, The Timeless Way of Building No words to describeThis language without words beautylifemeaningspirit