“A MAN with a conviction is a hard man to change. Tell him you disagree and he turns away. Show him facts or figures and he questions your sources. Appeal to logic and he fails to see your point.”Leon Festinger, Henry Riecken and Stanley Schachter, When Prophecy Fails (New York: Harper and Row,1956), 3. This…
Sérgio P. da SilvaJanuary 15, 2011
