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 worker… - Peter Drucker

It takes far more energy and work to improve from incompetence to mediocrity than it takes to improve from first-rate performance to excellence.

One should waste as little effort as possible on improving areas of low competence. It takes far more energy and work to improve from incompetence to mediocrity than it takes to improve from first-rate performance to excellence.

It takes far more energy and work to improve from incompetence to mediocrity than it takes to improve from first-rate performance to excellence

Two hundred people, of course, can do a great deal more work than one man. But it does not follow that they produce and contribute more.

The manager is a servant. His master is the institution he manages and his first responsibility must therefore be to it.

[W]e are all learning fast that we have to respect each other's basic beliefs and institutions, however much we must dislike them. If there is one lesson to this war, it is that the attempt to impose one's own system on the world, such as was made by both the Germans and the Japanese, must end not only in total world-wide conflict, but in the defeat and destruction of the country that makes the attempt.