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 when this proved impossible, prevented by the greatness of the difficulties, they began to conduct the siege with less energy, and the garrison troops, leaving behind only the sentinels and pickets, ransacked the neighbouring fields, got
v2.p.151
an abundance of all suitable things, and gave their comrades a large share of their plunder; and in consequence, by drinking immoderately and stuffing themselves with rich food, they lost their vigour.