Managers are agents of transformation, converting the workforce in developed countries from one of manual workers to one of highly educated knowledge workers.
Peter DruckerThe great mystery isn't that people do things badly but that they occasionally do a few things well. The only thing that is universal is incompetence. Strength is always specific! Nobody ever commented, for example, that the great violinist Jascha Heifetz probably couldn't play the trumpet very well.
Peter DruckerAs soon as you move one step up from the bottom, your effectiveness depends on your ability to reach others through the spoken and written word.
Peter Drucker