We've developed quite a few means of achieving perfection when it comes to very critical things, like airplanes. We have to dig deeper into the approach to perfection now, given that we're pushing the use of information technology so that we depend on it for transmission and communication and financial systems. I'm not sure where to dig. I can say that those of us who have been around a long time have never seen a limit to human ingenuity. Toyota makes over a million improvements a year.
Human beings have no limit to their creativity.
The problem is to make it possible for them to use that creativity. His quest for quality has just begun.