Recognizing that moral, social, and political doctrines have little or no genuinely scientific content, they do not try to evaluate them through a superficial examination of the words that appear in them, nor do they expect to understand and predict the course of social events by accepting the verbal nonsense that a Constitution or Platform or political speech may contain. Often they discover that the actual effects of a doctrine are completely at variance with the results that it claims to be able to accomplish—a discovery not without its practical importance, if we are interested in the
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