Stick like hell When the Wizard of Menlo Park called invention 10 percent inspiration and 90 percent perspiration, he was speaking not only about the creative act of inventing but also about the whole inventive process needed to bring more than intellectual success. Edison warned against discouragement during the perspiration phase in the following way, reminding us that we get things to work by the successive removal of bugs: Genius? Nothing! Sticking to it is the genius! Any other bright-minded fellow can accomplish just as much of he will stick like hell and remember nothing that's any good works by itself. You've got to make the damn thing work!...I failed my way to success. Thomas Edison, The Evolution of Useful Things inventionsuccess
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