Floyd could imagine a dozen things that could go wrong; it was little consolation that it was always the thirteenth that actually happened.
Arthur C. ClarkeBefore the current decade ends, fee-paying passengers will be experiencing suborbital flights aboard privately funded vehicles. . . . It won't be too long before bright young men and women set their eyes on careers in Earth orbit and say: "I want to work 200 kilometers from home-straight up!"
Arthur C. Clarke