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).
By a prudent and temperate manner of life and by moderation in eating and drinking he maintained such sound health that he rarely suffered from illnesses, but such as he had were of a dangerous character. For that abstinence from dissipation and luxury have this effect on the body is shown by repeated experience, as well as by the statements of physicians.