A manager cannot extract the best performance from employees by threatening them with termination or offering financial rewards for high productivity. Rather, employees must come to want to do a good job for its own sake. One of the best ways for a manager to achieve this is to delegate responsibility to them, especially for decisions that previously had to be made by the manager.
In some cases one's effectiveness in a particular role can be enhanced by a partial relinquishing of control is best illustrated by the situation described in the passage.