The power of in-doctrination is even more noticeable in our own times, especially when we acquaint ourselves with what is happening in Italy and Germany. These are all well known facts. Yet theory lags behind practice, and little is known of the precise manner in which suggestion works. Much patient and difficult experimentation is required to find, under conditions of scientific control, the adequate techniques to be used in various situations in which people's minds can be influenced and directed. But once such research goes under way and becomes thorough and systematic, who can tell how far it will lead? Is it really incorrect to maintain that suggestion is one of the mighty tools of education, which can be used for good purposes and evil? Is it wrong to assert that no leadership is effective on a large scale, unless it resorts to suggestion? As far as hypnosis is concerned, it may be superfluous in ordinary situations, but it is hard to overestimate its value in exceptional and pathological cases.
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