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
What the painting was not about That is why for many years Irwin declined to allow his work to be photographed, because the image of the canvas was precisely what the painting was not about. Indeed, the problem is even more complicated than that. For in a very real sense the achievement of these paintings was in their making, and the finished canvas at one level is only an incidental relic, a fossil of that original process of discovery: not only do you have to be present before these paintings in order to experience them, it may be that you have to have made them as well. Lawrence Wechler & Robert Irwin, Seeing Is Forgetting the Name of the Thing One Sees Only a mind opened to the quality of things photographyimages