with that world with a great deal more sophistication about their own minds. He can, by the use of the case method, teach the pupil the habit of examining the sources of his information. He can teach him, for example, to look in his newspaper for the place where the dispatch was filed, for the name of the correspondent, the name of the press service, the authority given for the statement, the circumstances under which the statement was secured. He can teach the pupil to ask himself whether the reporter saw what he describes, and to remember how that reporter described other events in the past. He can teach him the character of censorship, of the idea of privacy, and furnish him with knowledge of past propaganda. He can, by the proper use of history, make him aware of the stereotype, and can educate a habit of introspection about the imagery evoked by printed words. He can, by courses in comparative history and anthropology, produce a life-long realization of the way codes impose a special pattern upon the imagination. He can teach men to catch themselves making allegories, dramatizing relations, and personifying abstractions. He can show the pupil how he identifies himself with these allegories, how he becomes interested, and how he selects the attitude, heroic, romantic, economic which he adopts while holding a particular opinion.
The study of error is not only in the highest degree prophylactic, but it serves as a stimulating introduction to the study of truth. As our minds become more deeply aware of their own subjectivism, we find a zest in objective method that is not other-
