Ammianus Marcellinus Res Gestae 17.13.21

[21] The Limigantes ¹ having now suffered this fate, and terrified by the example of those who had been conquered and suddenly slain, hesitated long with wavering minds whether to die or plead, since for either course they had lessons of no slight weight; finally, however, the urgency of an assembly of the older men prevailed, and the resolve to surrender. Thus to the laurels of various victories there was added also the entreaties of those who had usurped freedom by arms; and such of them as survived bowed their necks with prayers before their former masters, whom they had despised as vanquished and weak, but now saw to be the stronger.