The one to distrust is the person who never makes a mistake, never commits a blunder, never fails in what he tries to do. Either he is a phony, or he stays with the safe, the tried and the trivial.
Peter DruckerUnless strategy evaluation is performed seriously and systematically, and unless strategists are willing to act on the results, energy will be used up defending yesterday.
Peter DruckerNo institution can possibly survive if it needs geniuses or supermen to manage it. It must be organized in such a way as to be able to get along under a leadership composed of average human beings.
Peter Drucker