The effectiveness of authority as a means of control depends first of all upon the ability to enforce it through the use of punishment. In the two organizations which have been the models for classical organization theory, the situation with respect to enforcement is clear. In the military, authority is enforceable through the court-martial, with the death penalty as the extreme form of punishment. In the Church, excommunication represents the psychological equivalent of the death penalty.

p. 27 (in 2006 edition) - The Human Side of Enterprise (1960)