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 brain is wider than the sky The brain is wider than the sky, For, put them side by side, The one the other will include With ease, and you beside. The brain is deeper than the sea, For, hold them, blue to blue, The one the other will absorb, As sponges, buckets do. The brain is just the weight of God, For, lift them, pound for pound, And they will differ, if they do, As syllable from sound. Emily Dickinson, The Collected Poems of Emily Dickinson www.bartleby.com The Art of Looking Sidewaysthe speed of God wordsthinkingcognition