Brilliant men are often strikingly ineffectual. They fail to realize that the brilliant insight is not by itself achievement. They never have learned that insights become effectiveness only through hard systematic work.
Peter DruckerWe have tried to substitute mass for purpose. We have tried to regain military potency of defense by making it gigantic, unwieldy, complex. It never works.
Peter DruckerThe experience of the human race indicates strongly that the only person in abundant supply is the universal incompetent.
Peter Drucker