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variableness of those of its manifestations 'which are supposed to be most universal and uniform. But in history, as in travelling, men usually see only what they already had in their own minds ; and few learn much from history, who do not bring much with them to its study.
Hence, in regard to that most difficult question, what are the natural differences between the two sexes—a subject on which it is impossible in the present state of society to obtain complete and correct knowledge—while almost everybody dogmatizes upon it, almost all neglect and make light of the only means by which any partial insight can be obtained into it. This is, an analytic study of the most important department of psychology, the law's of the influence of circumstances on character. Bor, however great and apparently ineradicable the moral and intellectual differences between men and women might be, the evidence of their being natural differences could only be negative. Those only could be inferred to be natural wdiicli could not possibly be artificial—the residuum, after deducting every characteristic of either sex which can admit of being explained from education or external circumstances. The profoundest knov T - ledge of the law r s of the formation of character is indispensable to entitle any one to affirm even that there is any difference, much more wdiat