Book 25
9.8
But what grieved the very heart of every patriotic citizen was this, that fearful of a rival to his power and bearing in mind that it was in Gaul and Illyricum that many men had taken the first steps to loftier power, in his haste to outstrip the report of his coming, under pretext of avoiding perjury he committed an act unworthy of an emperor, betraying Nisibis, which ever since the time of King Mithridates’ reign had resisted with all its might the occupation of the Orient by the Persians.See Dio. xxxvi. 6, 1 ff.
9.9
For never (I think) since the founding of our city can it be found by a reader of history that any part of our territory has been yielded to an enemy by an emperor or a consul; but that not even the recovery of anything that had been lost was ever enough for the honour of a triumph, but only the increase of our dominions.
9.10
Hence it was that triumphs were refusedCf. Val. Max. ii. 8, 4 an to Publius Scipio for the recovery of Spain; to Fulvius, when Capua was overcome after long contests, and to Opimius, when, after shifting fortunes of war, the people of Fregellae, at that time our deadly enemies, were forced to surrender.