Res Gestae
Ammianus Marcellinus
Ammianus Marcellinus. Ammianus Marcellinus, with an English translation, Vols. I-III. Rolfe, John C., translator. Cambridge, MA; London: Harvard University Press; W. Heinemann, 1935-1940 (printing).
But the emperor, suspecting that this might happen, had secretly divided his army into several bands, and with swift speed enclosed them, while they were delaying, within the lines of his own soldiers; then standing with a few followers on a loftier mound, protected by the defence of his guards, in mild terms he admonished them not to be unruly.