The Third Law of Consulting: Never forget they're paying you by the hour, not by the solution. - Gerald Weinberg

A controller that cannot control itself is worse than no controller at all: If you cannot manage yourself, you have no business managing others.

I believe, however, that humans are the only animals that we know who invents tools for working together - and they have done that as long as we have considered them human.

The principle is simple and powerful enough to be Marvin's Fourth Great Secret: If what they've been doing hasn't solved the problem, tell them to do something else.