We all have a vast number of areas in which we have no talent or skill and little chance of becoming even mediocre. In those areas a knowledge workers should not take on work, jobs and assignments. It takes far more energy to improve from incompetence to mediocrity than it takes to improve from first-rate performance to excellence.
Peter DruckerFor the first four years, no new enterprise produces profits. Even Mozart didn't start writing music until he was four.
Peter DruckerInside an organization there are only cost centers. The only profit center is a customer whose check has not bounced.
Peter Drucker