Man will exercise self-direction and self-control in the service of objectives to which he is committed. - Douglas McGregor

The capacity to exercise a relatively high degree of imagination, ingenuity and creativity in the solution of organizational problems is widely, not narrowly, distributed in the population.

Formal theories of organization have been taught in management courses for many years, and there is an extensive literature on the subject. The textbook principles of organization — hierarchical structure, authority, unity of command, task specialization, division of staff and line, span of control, equality of responsibility and authority, etc. — comprise a logically persuasive set of assumptions which have had a profound influence upon managerial behavior.

Behind every managerial decision or action are assumptions about human nature and human behavior.