Res Gestae

Anger at this aroused the soldiers quartered in the numerous towns and fortresses which lie near those regions, and each division strove to the best of its power to check the marauders as they ranged more widely, now in solid bodies, sometimes even in isolated bands. But the soldiers were defeated by their strength and numbers; for since the Isaurians were born and brought up amid the steep and winding defiles of the mountains, they bounded over them as if they were a smooth and level plain, attacking the enemy with missiles from a distance and terrifying them with savage howls.

And sometimes our infantry in pursuing them were forced to scale lofty slopes, and when they lost their footing, even if they reached the very summits by catching hold of underbrush or briars,