I state the objection not that we may plunge into the crucial controversy of a science that is not identical with ours, but in order to make my drift clear by the defining aid of express contradiction. No political dogma is as serviceable to my purpose here as the historian's maxim to do the best he can for the other side, and to avoid pertinacity or emphasis on his own. Like the economic precept Laissez-faire[38] which the eighteenth century derived from Colbert, it has been an important, if not a final step in the making of method. The strongest and most impressive personalities, it is true, like Macaulay, Thiers, and the two greatest of living writers, Mommsen and Treitschke, project their own broad shadow upon their pages. This is a practice proper to great men, and a great man may be worth several
