Who has seen the wind? A Poem by Christina Rossetti www.poetryfoundation.org Who has seen the wind? Neither I nor you: But when the leaves hang trembling, The wind is passing through. Who has seen the wind? Neither you nor I: But when the trees bow down their heads, The wind is passing by. The Wind Rises windtreesseeing
Dependence is more profitable than education A customer who pays—in advance—for service contracts is a more stable income source than a customer who has fully mastered a product's use. Customer dependence is more profitable than customer education. What I find truly baffling are manuals—hundreds of pages long—that accompany software applications, programming languages, and operating systems. Unmistakably, they signal both a contorted design that lacks clear concepts and an intent to hook customers. Niklaus Wirth, A Plea for Lean Software The design concept documentation