But in almost every province of the Roman world, an army of fanatics, without authority and without discipline, invaded the peaceful inhabitants; and the ruin of the fairest structures of antiquity still displays the ravages of those barbarians who alone had time and inclination to execute such laborious destruction.

A warlike nation like the Germans, without either cities, letters, arts, or money, found some compensation for this savage state in the enjoyment of liberty. Their poverty secured their freedom, since our desires and our possessions are the strongest fetters of despotism.

In the purer ages of the commonwealth, the use of arms was reserved for those ranks of citizens who had a country to love, a property to defend, and some share in enacting those laws which it was their interest, as well as duty, to maintain. But in proportion as the public freedom was lost in extent of conquest, war was gradually improved into an art, and degraded into a trade.

But the human character, however it may be exalted or depressed by a temporary enthusiasm, will return by degrees to its proper and natural level, and will resume those passions that seem the most adapted to its present condition.

The inactivity of a conqueror betrays the loss of strength and blood . . .

To maintain the harmony of authority and obedience, to chastise the proud, to protect the weak, to reward the deserving, to banish vice and idleness from his dominions, to secure the traveller and merchant, to restrain the depredations of the soldier, to cherish the labors of the husbandman, to encourage industry and learning, and, by an equal and moderate assessment, to increase the revenue, without increasing the taxes, are indeed the duties of a prince . . .

Inclined to peace by his temper and situation, it was easy for [Augustus] to discover that Rome, in her present exalted situation, had much less to hope than to fear from the chance of arms; and that, in the prosecution of remote wars, the undertaking became every day more difficult, the event more doubtful, and the possession more precarious and less beneficial.