The correct assumption is that what individuals have learned by age twenty-one will begin to become obsolete five to ten years later and will have to be replaced-or at least refurbished-by new learning, new skills, new knowledge.
Peter DruckerThe purpose of an organization is to enable ordinary humans beings to do extraordinary things.
Peter DruckerEffective innovations start small. They are not grandiose. They try to do one specific thing.
Peter DruckerManagement means, in the last analysis, the substitution of thought for brawn and muscle, of knowledge for folkways and superstition, and of cooperation for force. It means the substitution of responsibility for obedience to rank, and of authority of performance for the authority of rank.
Peter Drucker