Gibbon and Football

But the superior merit of Agricola soon occasioned his
removal from the government of Britain; and forever disappointed
this rational, though extensive scheme of conquest. Before his
departure, the prudent general had provided for security as well
as for dominion. He had observed, that the island is almost
divided into two unequal parts by the opposite gulfs, or, as they
are now called, the Friths [sic] of Scotland. Across the narrow
interval of about forty miles, he had drawn a line of military
stations, which was afterwards fortified, in the reign of
Antoninus Pius, by a turf rampart, erected on foundations of
stone. This wall of Antoninus, at a small distance beyond the
modern cities of Edinburgh and Glasgow, was fixed as the limit of
the Roman province. The native Caledonians preserved, in the
northern extremity of the island, their wild independence, for
which they were not less indebted to their poverty than to their
valor. Their incursions were frequently repelled and chastised;
but their country was never subdued. The masters of the
fairest and most wealthy climates of the globe turned with
contempt from gloomy hills, assailed by the winter tempest, from
lakes concealed in a blue mist, and from cold and lonely heaths,
over which the deer of the forest were chased by a troop of naked
barbarians.

It's all here.