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 insufficient, to prove our doctrines. It is plain that if we should find arguments of the same character used by the adherents of different creeds to prove contradictory propositions, we should be forced to dismiss such arguments as of comparatively little value. Supposing, for example, that a Hebrew, desirous of proving the preëminence of the Jews over the Gentiles, should rely for his justification on the miraculous deliverance of the ancient Israelites from the Egyptians, and on their subsequent special protection by the Deity, his argument, however apparently conclusive, would be considerably weakened if it were found that the annals of other nations contained similar tales evincing a similar exclusive care for their welfare on the part of their local divinities. Or if we should claim for our own school the advantage of being supported by the authority of a long succession of able, wise, and virtuous men, fully competent to judge of its truth, yet if our adversaries can produce an equally imposing list of authorities against us, we shall have gained but little by our mode of reasoning. These one-sided ways of proving the exclusive claims of a particular creed are as if a person should maintain the vast superiority of his countrymen over foreigners by a reference to the battles they had won, the territory they had conquered, and the bravery they had displayed; forgetful to inquire whether there were not other nations which had gained victories equally transcendent, made conquests equally extensive, and evinced a heroism equally admirable.

These blunders, it may be objected, do not arise exclusively from a faulty method. It is true that they have a deeper source, yet, if a correct method were pursued they would be avoided. Hence the paramount importance of fixing upon one which shall not be likely to lead us astray.

Now, the method which in the natural sciences, and in the science of language, has led to such vast results, may be, and ought to be pursued here. This method is that of comparison.

When the philologist is desirous of discovering what elements, if any, a group of languages possesses in common, and what therefore may be considered as its fundamental stock, or essence, he compares them with one another. When the naturalist wishes to arrive at an accurate knowledge of the confor