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
No more than a sketch The quality of a musical performance depends on the performers as much as on the score. The performers are said to be interpreting the score, but in fact they are adding intention of their own to those of the composer, recognizing that no score can in practice ever fully express the intentions of a composer, that it can never be more than an indication, a sketch; and no designer can in practice ever produce more than a sketch. David Pye, The Nature and Aesthetics of Design The work is what it meansThe meaning of music designmaking