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
A concept of style It is a concept based not on the classification of various physical features of architecture and urban design but on the problem-solving process itself. We have seen that the final outcome of a design process is strongly determined by at least three aspects of that process: the subject matter of the organizing principles which are adopted, the manner in which these principles are interpreted and reinterpreted in the context of the problem at hand, and the sequent of applying such organizing principles. Consistency in style among the output of designers can thus be understood as a habitual way of doing things, of solving problems. Peter G. Rowe, Design Thinking It was all change until the very last second style