The change in the state of the higher classes since the Middle Ages is enormous, and it is all improvement; but the lower have varied little, and many argue that in some important respects they have got worse, even if in others they have got better. The development of the English Constitution was of necessity slow, because a quick one would have destroyed the executive and killed the State, and because the most numerous classes, who changed very little, were not prepared for any catastrophic change in our institutions.