One is apt to overestimate beauty when it is rare
In order to be a leader a man must have followers. And to have followers, a man must have their confidence. Hence, the supreme quality for a leader is unquestionably integrity. Without it, no real success is possible, no matter whether it is on a section gang, a football field, in an army, or in an office. If a man's associates find him guilty of being phony, if they find that he lacks forthright integrity, he will fail. His teachings and actions must square with each other. The first great need, therefore is integrity and high purpose.
The most important, and indeed the truly unique, contribution of management in the 20th century was the fifty-fold increase in the productivity of the MANUAL WORKER in manufacturing. The most important contribution management needs to make in the 21st century is similarly to increase the productivity of KNOWLEDGE WORK and the KNOWLEDGE WORKER.