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 blind men and the elephant A Proverb "I see" said the first, grasping a leg, "an elephant is like a tree." "I see" said the second, holding the tail, "an elephant is like a snake." Another, feeling the ear, said "an elephant is surely much like a thick carpet." The blind men who felt the elephantThe group of blind mullahs holism