Res Gestae

Therefore, Constantius, wavering amid the difficulty of pressing affairs, was in doubt what course to pursue, considering long and anxiously whether to go to distant lands against Julian, or to repel the Parthians, who (as they threatened) were soon about to cross the Euphrates; and after hesitating and often taking counsel with his generals, he at last inclined to this plan: that after finishing, or at any rate quieting, the nearer war, and leaving no one to fear behind his back, after overrunning Illyricum and Italy (as he thought), he should take Julian (like a hunter’s prey) in the very beginning of his enterprises; for so he kept continually declaring, to calm the fear of his men.

Nevertheless, that he might not grow lukewarm or seem to have neglected the other side of the war, spreading everywhere the terror of his coming; and fearing lest Africa should be invaded in his absence, a province advantageous to the emperors for all occasions,[*](As the source of the supply of grain for the western provinces.) as if he were on the point of leaving the regions of the East, he sent to Africa by sea the secretary Gaudentius, who (as I have hinted before) had been for some time in Gaul to watch the actions of Julian.[*](Cf. xvii. 9, 7.)

For he hoped that Gaudentius would be able to accomplish everything with prompt obedience for two reasons: both because he feared the adverse side, which he had offended, and because he would be eager to take advantage of this opportunity to commend himself