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).
He was content with little sleep when time and circumstances so required. Throughout the entire span of his life he was so extraordinarily chaste, that not even a suspicion could be raised against him even by an ill-disposed attendant on his private life, a charge which malice, even if it fails to discover it, still trumps up, having regard to the unrestrained liberty of supreme power.