Bolanus was a man perfectly innocent; and being subject to no hate, as he was free from all crimes, he had instead of authority over them, only gained their affections.
But, when Vespasian had, with the possession of the world, also recovered Britain, in it were seen great commanders, noble armies, and the hopes of the enemy quite abated, Petilius Cerialis, particularly, at his first entrance, struck them at once with general terror, by attacking the community of the Brigantes, reckoned the most populous of the whole Province. There followed many encounters, such as sometimes proved very bloody. So that he held most part of their country as his conquest, or continued to ravage it by war. In truth, though the exploits of Cerialis would have eclipsed the vigilance and fame of any other successor, yet Julius Frontinus sustained in his turn the mighty task; and, as he was a man as great and able as he found scope and safety to be, he by the sword utterly subdued the powerful and warlike nation of the Silures; though besides the bravery of the enemy, he was likewise obliged to struggle with the difficulties of places and situation.