system would snap asunder a constitution which could not adapt itself to the new conditions of an advancing society. If it could not stretch itself to the measure of the times, it must be thrown off and left behind, as a by-gone device; and there can, therefore, be no question that our Constitution has proved lasting because of its simplicity. It is a corner-stone, not a complete building; or, rather, to return to the old figure, it is a root, not a perfect vine.
The chief fact, therefore, of our national history is that from this vigorous tap-root has grown a vast constitutional system,—a system branching and expanding in statutes and judicial decisions, as well as in unwritten precedent; and one of the most striking facts, as it seems to me, in the history of our politics is, that that system has never received complete and competent critical treatment at the hands of any, even the most acute, of our constitutional writers. They view it, as it were, from behind. Their thoughts are dominated, it would seem, by those incomparable papers of the "Federalist,” which, though they were written to influence only the voters of 1788, still, with a strange, persistent longevity of power, shape the constitutional criticism of the present day, obscuring much of that development of constitutional practice which has since taken place. The Constitution in operation is manifestly a
