The Discipline of Management.

If you can't replicate something because you don't understand it, then it really hasn't been invented; it's only been done.

When I published The Practice of Management, fifty years ago, that book made it possible for people to learn how to manage, something that up until then only a few geniuses seemed to be able to do, and nobody could replicate it.

When I came into management, a lot of it had come out of the field of engineering. And a lot of it had come out of accounting. And some of it came out of psychology. And some more came out of labor relations. Each of...