Knowledge has to be improved, challenged, and increased constantly, or it vanishes."

"If a government commission had worked on the horse, you would have the first horse that could operate its knee joint in both directions. The trouble is it couldn't have stood up."

In business school classrooms they construct wonderful models of a non-world.

Growth that adds volume without improving productivity is fat. Growth that diminishes productivity is cancer.

"Because its purpose is to create a customer, the business has two - and only two - basic functions: marketing and innovation. Marketing and innovation produce results; all the rest are "costs"."