Even the arts moved forward.

Sculpture was enriched by a new and noble style of portraiture.

Architecture won new possibilities by the engineering genius which reared the aqueduct of Segovia and the Basilica of Maxentius.[1] But these are only practical expansions of arts that are in themselves unpractical.

The greatest work of the imperial age must be sought in its provincial administration.

The significance of this we have come to understand, as not even Gibbon understood it, through the researches of Mommsen.