Res Gestae

And not content with that, the infantry commander, who was a coward and a persistent detractor of Julian’s reputation, knowing that what he had ordered was against the interests of the Roman cause (for when Cella was charged with this, he confessed it), deceived Constantius in his report and pretended that these same tribunes had come, under the pretext of public business, to tamper with the soldiers whom he had been commanding; and for that reason they were cashiered and returned to their homes in a private capacity.