6. And when from them he had turned his eyes upon the citizens, he marvelled to think with what rapidity the whole race of mankind upon earth had come from all quarters to Rome; and, as if he would have terrified the Euphrates or the Rhine with a show of armed men, he himself came on, preceded by standards on both sides, sitting alone in a golden chariot, shining with all kinds of brilliant precious stones, which seemed to spread a flickering light all around.

7. Numbers also of the chief officers who went before him were surrounded by dragons embroidered on various kinds of tissue, fastened to the golden or jewelled points of spears, the mouths of the dragons being open so as to catch the wind, which made them hiss as though they were inflamed with anger; while the coils of their tails were also contrived to be agitated by the breeze.

The Roman History of Ammianus Marcellinus — Part 89

8. After these marched a double row of heavy-armed soldiers, with shields and crested helmets, glittering with brilliant light, and clad in radiant breastplates; and among these were scattered cavalry with cuirasses, whom the Persians call Clibanarii,[64] protected by coverings of iron breastplates, and girdled with belts of iron, so that you would fancy them statues polished by the hand of Praxiteles, rather than men. And the light circular plates of iron which surrounded their bodies, and covered all their limbs, were so well fitted to all their motions, that in whatever direction they had occasion to move, the joints of their iron clothing adapted themselves equally to any position.

The Roman History of Ammianus Marcellinus — Part 89

9. The emperor as he proceeded was saluted as Augustus by voices of good omen, the mountains and shores re-echoing the shouts of the people, amid which he preserved the same immovable countenance which he was accustomed to display in his provinces.

The Roman History of Ammianus Marcellinus — Part 89

10. For though he was very short, yet he bowed down when entering high gates, and looking straight before him, as though he had had his neck in a vice, he turned his eyes neither to the right nor to the left, as if he had been a statue: nor when the carriage shook him did he nod his head, or spit, or rub his face or his nose; nor was he ever seen even to move a hand.

11. And although this calmness was affectation, yet these and other portions of his inner life were indicative of a most extraordinary patience, as it may be thought, granted to him alone.