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
Irwin Volumes Show image 0 Show image 1 Show image 2 Show image 3 Show image 4 Black Line Volume, String Line-Light Volume, Corridor String Piece, Line Rectangle "The resultant black rectangle was not what you "looked at" – there was actually nothing to focus on – but soon it brought the space into focus with a distinct visual snap. From inside, the light in the area seemed different, more substantial, and the wall color began to shift ambiguously. From outside the area, the tape seemed to lift the plane of the floor upward in your field of vision, and it also made the room seem wider and shallower than it really was." — Roberta Smith Robert Irwin, Robert Irwin: A Conditional Art You are the one that is changed