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
If a book can be summarized, is it worth reading? An Article by Austin Kleon austinkleon.com It is my opinion that if a book’s contents can be adequately “summed up,” so that you really don’t miss anything by reading the summary, it is not actually a book worth reading. (Of course, there’s no way to tell whether a summary is adequate or not unless you have also read the book.) Also, I suspect that the harder you find it to summarize a book you have read, the more valuable it might be. On 'The Master and His Emissary' reading