Leadership: Theory and Practice

by Peter G. Northouse

Understanding how power is used in leadership is instrumental as well in understanding the dark side of leadership, where leaders use their leadership to achieve their own personal ends and lead in toxic and destructive ways

The overriding function of management is to provide order and consistency to organizations, whereas the primary function of leadership is to produce change and movement. Management is about seeking order and stability; leadership is about seeking adaptive and constructive change.

To manage means to accomplish activities and master routines, whereas to lead means to influence others and create visions for change. Bennis and Nanus made the distinction very clear in their frequently quoted sentence, “Managers are people who do things right and leaders are people who do the right thing”