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).
And, as some right- thinking men believed, it would have been a striking indication of true worth in Constantius, if he had renounced his power without bloodshed, rather than defended it so mercilessly.