Similarly I assure you that these minds over which desires have spread like evil ulcers, take pleasure in toils and troubles, for there are some things which please our body while at the same time they give it a certain amount of pain, such as turning oneself over and changing one’s side before it is wearied, or cooling oneself in one position after another. It is like Homer’s Achilles lying first upon its face, then upon its back, placing itself in various attitudes, and, as sick people are wont, enduring none of them for long, and using changes as though they were remedies. Hence men undertake aimless wanderings, travel along distant shores, and at one time at sea, at another by land, try to soothe that fickleness of disposition which always is dissatisfied with the present. “Now let us make for Campania: now I am sick of rich cultivation: let us see wild regions, let us thread the passes of Bruttii and Lucania: yet amid this wilderness one wants some thing of beauty to relieve our pampered eyes after so long dwelling on savage wastes: let us seek Tarentum with its famous harbour, its mild winter climate, and its district, rich enough to support even the great hordes of ancient times.