Making profits: What the prophets didn't tell us.
Dangelmaier, H. & Davidoff, S. (2002). Invited Introduction: Making profits. What the prophets didn't tell us. In B. Martin Pederson (Ed.) Graphis Interactive Design 2 (pp. 8-9). New York: Graphis Press.
Clever invention and profound creativity are no substitute for marketability. In order to make money, an idea must offer something so valuable people actually part with their money to own it. Even a great visionary cannot create a product so revolutionary as to escape the fundamental laws of commerce: to identify, build, and sell products people will pay for.