“Zealot: Someone who has the answer to a problem. Originally a religious fanatic given to violence, the zealot is a likely today to be a corporatist expert. They are, as Samuel Johnson defined them, ‘passionately ardent in any cause. They are the bearers of truth.’”
Excerpted from: Saul, John Ralston. The Doubter’s Companion. New York: The Free Press, 1994.