Management 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 DruckerQuality of character doesn't make a leader, but the lack of it flaws the entire process.
Peter DruckerManagement is about human beings. Its task is to make people capable of joint performance, to make their strengths effective and their weaknesses irrelevant.
Peter DruckerMarketing is not only much broader than selling, it is not a specialized activity at all. It encompasses the entire business. It is the whole business seen from the point of view of its final result, that is, from the customer's point of view.
Peter Drucker