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[ The sixth Panegyric was pronounced to celebrate the elevation of Constantine; but the prudent orator avoids the mention either of Galerius or of Maxentius. He introduces only one slight allusion to the actual troubles, and to the majesty of Rome. * Note: Compare Manso, Beylage, iv. p. 302. Gibbon’s account is at least as probable as that of his critic.—M.]
The importance of the occasion called for the presence and abilities of Galerius. At the head of a powerful army, collected from Illyricum and the East, he entered Italy, resolved to revenge the death of Severus, and to chastise the rebellious Romans; or, as he expressed his intentions, in the furious language of a barbarian, to extirpate the senate, and to destroy the people by the sword. But the skill of Maximian had concerted a prudent system of defence. The invader found every place hostile, fortified, and inaccessible; and though he forced his way as far as Narni, within sixty miles of Rome, his dominion in Italy was confined to the narrow limits of his camp. Sensible of the increasing difficulties of his enterprise, the haughty Galerius made the first advances towards a reconciliation, and despatched two of his most considerable officers to tempt the Roman princes by the offer of a conference, and the declaration of his paternal regard for Maxentius, who might obtain much more from his liberality than he could hope from the doubtful chance of war. [25] The offers of Galerius were rejected with firmness, his perfidious friendship refused with contempt, and it was not long before he discovered, that, unless he provided for his safety by a timely retreat, he had some reason to apprehend the fate of Severus. The wealth which the Romans defended against his rapacious tyranny, they freely contributed for his destruction. The name of Maximian, the popular arts of his son, the secret distribution of large sums, and the promise of still more liberal rewards, checked the ardor and corrupted the fidelity of the Illyrian legions; and when Galerius at length gave the signal of the retreat, it was with some difficulty that he could prevail on his veterans not to desert a banner which had so often conducted them to victory and honor. A contemporary writer assigns two other causes for the failure of the expedition; but they are both of such a nature, that a cautious historian will scarcely venture to adopt them. We are told that Galerius, who had formed a very imperfect notion of the greatness of Rome by the cities of the East with which he was acquainted, found his forces inadequate to the siege of that immense capital.
But the extent of a city serves only to render it more accessible to the enemy: Rome had long since been accustomed to submit on the approach of a conqueror; nor could the temporary enthusiasm of the people have long contended against the discipline and valor of the legions. We are likewise informed that the legions themselves were struck with horror and remorse, and that those pious sons of the republic refused to violate the sanctity of their venerable parent. [26] But when we recollect with how much ease, in the more ancient civil wars, the zeal of party and the habits of military obedience had converted the native citizens of Rome into her most implacable enemies, we shall be inclined to distrust this extreme delicacy of strangers and barbarians, who had never beheld Italy till they entered it in a hostile manner. Had they not been restrained by motives of a more interested nature, they would probably have answered Galerius in the words of Cæsar’s veterans: “If our general wishes to lead us to the banks of the Tyber, we are prepared to trace out his camp. Whatsoever walls he has determined to level with the ground, our hands are ready to work the engines: nor shall we hesitate, should the name of the devoted city be Rome itself.” These are indeed the expressions of a poet; but of a poet who has been distinguished, and even censured, for his strict adherence to the truth of history. [27]
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[ With regard to this negotiation, see the fragments of an anonymous historian, published by Valesius at the end of his edition of Ammianus Marcellinus, p. 711. These fragments have furnished with several curious, and, as it should seem, authentic anecdotes.]
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[ Lactantius de M. P. c. 28. The former of these reasons is probably taken from Virgil’s Shepherd: “Illam * * * ego huic notra similem, Meliboee, putavi,” &c. Lactantius delights in these poetical illusions.]
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[ Castra super Tusci si ponere Tybridis undas; (jubeas)
Hesperios audax veniam metator in agros.
Tu quoscunque voles in planum effundere muros,
His aries actus disperget saxa lacertis;
Illa licet penitus tolli quam jusseris urbem
Roma sit.
Lucan. Pharsal. i. 381.]
The legions of Galerius exhibited a very melancholy proof of their disposition, by the ravages which they committed in their retreat. They murdered, they ravished, they plundered, they drove away the flocks and herds of the Italians; they burnt the villages through which they passed, and they endeavored to destroy the country which it had not been in their power to subdue. During the whole march, Maxentius hung on their rear, but he very prudently declined a general engagement with those brave and desperate veterans. His father had undertaken a second journey into Gaul, with the hope of persuading Constantine, who had assembled an army on the frontier, to join in the pursuit, and to complete the victory. But the actions of Constantine were guided by reason, and not by resentment. He persisted in the wise resolution of maintaining a balance of power in the divided empire, and he no longer hated Galerius, when that aspiring prince had ceased to be an object of terror. [28]