"Knowledge has to be improved, challenged, and increased constantly, or it vanishes."
Peter F. Drucker"Management is doing things right; leadership is doing the right things"
Peter F. Drucker"There is nothing so useless as doing efficiently that which should not be done at all"
Peter F. Drucker"Efficiency, which is doing things right, is irrelevant until you work on the right things"
Peter F. Drucker"Follow effective action with quiet reflection. From the quiet reflection will come even more effective action"
Peter F. Drucker