The Romans in after ages saw the importance of the position, fortified it yet more strongly, and made it the chief military post of the island, which, under their protecting care, enjoyed singular peace and prosperity--civilisation flourished, arts and letters were cultivated. The beautiful coasts and inlets were crowded with villas, and invalids then, as now, sought the invigorating breezes, from all parts of the island of Britain, and even from the neighbouring province of Gaul.