The Development of Defense Mechanisms: Theory, Research, and Assessment

The idea that the human mind-that faculty of the intellect which we use to define and discern the truth-might also be used to deceive itself is not new. The classic orator Demosthenes warned of this possibility in 349 B.C. when he wrote that "Nothing is more easy than to deceive one's self; what a man wishes he generally believes to be true." 1 Even Jean Jacques Rousseau, who suggested the possibility of man as "noble savage," alerts us to this paradox, when he writes "Jamais fa nature ne n...